Home / 457,426.74-631,252.61-253,481.07

Finding the Fourth Proportional to 457,426.74, 631,252.61 and 253,481.07

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Solution

The fourth proportional to 457,426.74, 631,252.61 and 253,481.07 is: 349,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,426.74 : 631,252.61 = 253,481.07 : x
  2. Step 2: Convert to fraction form
    457,426.74/631,252.61 = 253,481.07/x
  3. Step 3: Cross multiply
    457,426.74x = 631,252.61 × 253,481.07
  4. Step 4: Simplify right side
    457,426.74x = 160,010,587,023.09
  5. Step 5: Solve for x
    x = 160,010,587,023.09/457,426.74
  6. Step 6: Final answer
    x = 349,805.93

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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.