Home / 457,828.50-631,772.46-253,871.92

Finding the Fourth Proportional to 457,828.50, 631,772.46 and 253,871.92

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Solution

The fourth proportional to 457,828.50, 631,772.46 and 253,871.92 is: 350,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,828.50 : 631,772.46 = 253,871.92 : x
  2. Step 2: Convert to fraction form
    457,828.50/631,772.46 = 253,871.92/x
  3. Step 3: Cross multiply
    457,828.50x = 631,772.46 × 253,871.92
  4. Step 4: Simplify right side
    457,828.50x = 160,389,288,213.04
  5. Step 5: Solve for x
    x = 160,389,288,213.04/457,828.50
  6. Step 6: Final answer
    x = 350,326.13

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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.