Home / 457,869.52-631,861.65-253,939.29

Finding the Fourth Proportional to 457,869.52, 631,861.65 and 253,939.29

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Solution

The fourth proportional to 457,869.52, 631,861.65 and 253,939.29 is: 350,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,869.52 : 631,861.65 = 253,939.29 : x
  2. Step 2: Convert to fraction form
    457,869.52/631,861.65 = 253,939.29/x
  3. Step 3: Cross multiply
    457,869.52x = 631,861.65 × 253,939.29
  4. Step 4: Simplify right side
    457,869.52x = 160,454,498,718.31
  5. Step 5: Solve for x
    x = 160,454,498,718.31/457,869.52
  6. Step 6: Final answer
    x = 350,437.17

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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.