Home / 723,779.40-998,935.17-401,593.29

Finding the Fourth Proportional to 723,779.40, 998,935.17 and 401,593.29

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Solution

The fourth proportional to 723,779.40, 998,935.17 and 401,593.29 is: 554,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,779.40 : 998,935.17 = 401,593.29 : x
  2. Step 2: Convert to fraction form
    723,779.40/998,935.17 = 401,593.29/x
  3. Step 3: Cross multiply
    723,779.40x = 998,935.17 × 401,593.29
  4. Step 4: Simplify right side
    723,779.40x = 401,165,661,417.01
  5. Step 5: Solve for x
    x = 401,165,661,417.01/723,779.40
  6. Step 6: Final answer
    x = 554,265.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.