Home / 897,737.10-1,346,605.65-399,101.10

Finding the Fourth Proportional to 897,737.10, 1,346,605.65 and 399,101.10

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Solution

The fourth proportional to 897,737.10, 1,346,605.65 and 399,101.10 is: 598,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,737.10 : 1,346,605.65 = 399,101.10 : x
  2. Step 2: Convert to fraction form
    897,737.10/1,346,605.65 = 399,101.10/x
  3. Step 3: Cross multiply
    897,737.10x = 1,346,605.65 × 399,101.10
  4. Step 4: Simplify right side
    897,737.10x = 537,431,796,181.22
  5. Step 5: Solve for x
    x = 537,431,796,181.22/897,737.10
  6. Step 6: Final answer
    x = 598,651.65

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Double scale
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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.