Home / 578,872.19-868,229.47-152,372.31

Finding the Fourth Proportional to 578,872.19, 868,229.47 and 152,372.31

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Solution

The fourth proportional to 578,872.19, 868,229.47 and 152,372.31 is: 228,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,872.19 : 868,229.47 = 152,372.31 : x
  2. Step 2: Convert to fraction form
    578,872.19/868,229.47 = 152,372.31/x
  3. Step 3: Cross multiply
    578,872.19x = 868,229.47 × 152,372.31
  4. Step 4: Simplify right side
    578,872.19x = 132,294,125,612.83
  5. Step 5: Solve for x
    x = 132,294,125,612.83/578,872.19
  6. Step 6: Final answer
    x = 228,537.71

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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.