Home / 438,331.10-604,997.64-257,101.43

Finding the Fourth Proportional to 438,331.10, 604,997.64 and 257,101.43

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Solution

The fourth proportional to 438,331.10, 604,997.64 and 257,101.43 is: 354,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,331.10 : 604,997.64 = 257,101.43 : x
  2. Step 2: Convert to fraction form
    438,331.10/604,997.64 = 257,101.43/x
  3. Step 3: Cross multiply
    438,331.10x = 604,997.64 × 257,101.43
  4. Step 4: Simplify right side
    438,331.10x = 155,545,755,365.64
  5. Step 5: Solve for x
    x = 155,545,755,365.64/438,331.10
  6. Step 6: Final answer
    x = 354,859.05

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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.