Home / 479,839.08-719,760.65-124,827.47

Finding the Fourth Proportional to 479,839.08, 719,760.65 and 124,827.47

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Solution

The fourth proportional to 479,839.08, 719,760.65 and 124,827.47 is: 187,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,839.08 : 719,760.65 = 124,827.47 : x
  2. Step 2: Convert to fraction form
    479,839.08/719,760.65 = 124,827.47/x
  3. Step 3: Cross multiply
    479,839.08x = 719,760.65 × 124,827.47
  4. Step 4: Simplify right side
    479,839.08x = 89,845,896,722.11
  5. Step 5: Solve for x
    x = 89,845,896,722.11/479,839.08
  6. Step 6: Final answer
    x = 187,241.72

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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.