Home / 487,849.53-731,462.20-234,625.71

Finding the Fourth Proportional to 487,849.53, 731,462.20 and 234,625.71

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Solution

The fourth proportional to 487,849.53, 731,462.20 and 234,625.71 is: 351,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,849.53 : 731,462.20 = 234,625.71 : x
  2. Step 2: Convert to fraction form
    487,849.53/731,462.20 = 234,625.71/x
  3. Step 3: Cross multiply
    487,849.53x = 731,462.20 × 234,625.71
  4. Step 4: Simplify right side
    487,849.53x = 171,619,840,169.58
  5. Step 5: Solve for x
    x = 171,619,840,169.58/487,849.53
  6. Step 6: Final answer
    x = 351,788.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.