Home / 931,410.10-1,397,115.15-577,116.10

Finding the Fourth Proportional to 931,410.10, 1,397,115.15 and 577,116.10

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Solution

The fourth proportional to 931,410.10, 1,397,115.15 and 577,116.10 is: 865,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,410.10 : 1,397,115.15 = 577,116.10 : x
  2. Step 2: Convert to fraction form
    931,410.10/1,397,115.15 = 577,116.10/x
  3. Step 3: Cross multiply
    931,410.10x = 1,397,115.15 × 577,116.10
  4. Step 4: Simplify right side
    931,410.10x = 806,297,646,618.92
  5. Step 5: Solve for x
    x = 806,297,646,618.92/931,410.10
  6. Step 6: Final answer
    x = 865,674.15

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Half scale
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Double scale
Find fourth proportional to 931,411.10, 1,397,116.65 and 577,117.10
Similar ratio
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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.