Home / 410,939.68-616,587.72-144,890.32

Finding the Fourth Proportional to 410,939.68, 616,587.72 and 144,890.32

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Solution

The fourth proportional to 410,939.68, 616,587.72 and 144,890.32 is: 217,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,939.68 : 616,587.72 = 144,890.32 : x
  2. Step 2: Convert to fraction form
    410,939.68/616,587.72 = 144,890.32/x
  3. Step 3: Cross multiply
    410,939.68x = 616,587.72 × 144,890.32
  4. Step 4: Simplify right side
    410,939.68x = 89,337,592,058.87
  5. Step 5: Solve for x
    x = 89,337,592,058.87/410,939.68
  6. Step 6: Final answer
    x = 217,398.31

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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.