Home / 917,370.10-1,376,055.15-497,466.10

Finding the Fourth Proportional to 917,370.10, 1,376,055.15 and 497,466.10

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Solution

The fourth proportional to 917,370.10, 1,376,055.15 and 497,466.10 is: 746,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,370.10 : 1,376,055.15 = 497,466.10 : x
  2. Step 2: Convert to fraction form
    917,370.10/1,376,055.15 = 497,466.10/x
  3. Step 3: Cross multiply
    917,370.10x = 1,376,055.15 × 497,466.10
  4. Step 4: Simplify right side
    917,370.10x = 684,540,788,855.42
  5. Step 5: Solve for x
    x = 684,540,788,855.42/917,370.10
  6. Step 6: Final answer
    x = 746,199.15

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Half scale
Find fourth proportional to 1,834,740.20, 2,752,110.30 and 994,932.20
Double scale
Find fourth proportional to 917,371.10, 1,376,056.65 and 497,467.10
Similar ratio
Find fourth proportional to 1,376,055.15, 2,064,082.73 and 746,199.15
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.