Home / 465,654.28-642,605.47-272,073.35

Finding the Fourth Proportional to 465,654.28, 642,605.47 and 272,073.35

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Solution

The fourth proportional to 465,654.28, 642,605.47 and 272,073.35 is: 375,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,654.28 : 642,605.47 = 272,073.35 : x
  2. Step 2: Convert to fraction form
    465,654.28/642,605.47 = 272,073.35/x
  3. Step 3: Cross multiply
    465,654.28x = 642,605.47 × 272,073.35
  4. Step 4: Simplify right side
    465,654.28x = 174,835,821,590.86
  5. Step 5: Solve for x
    x = 174,835,821,590.86/465,654.28
  6. Step 6: Final answer
    x = 375,462.72

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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.