Home / 658,360.91-987,541.37-159,724.91

Finding the Fourth Proportional to 658,360.91, 987,541.37 and 159,724.91

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Solution

The fourth proportional to 658,360.91, 987,541.37 and 159,724.91 is: 239,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,360.91 : 987,541.37 = 159,724.91 : x
  2. Step 2: Convert to fraction form
    658,360.91/987,541.37 = 159,724.91/x
  3. Step 3: Cross multiply
    658,360.91x = 987,541.37 × 159,724.91
  4. Step 4: Simplify right side
    658,360.91x = 157,734,958,114.76
  5. Step 5: Solve for x
    x = 157,734,958,114.76/658,360.91
  6. Step 6: Final answer
    x = 239,587.37

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Double scale
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Similar ratio
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1.5x scale

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.