Home / 658,387.46-987,581.23-185,072.87

Finding the Fourth Proportional to 658,387.46, 987,581.23 and 185,072.87

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Solution

The fourth proportional to 658,387.46, 987,581.23 and 185,072.87 is: 277,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,387.46 : 987,581.23 = 185,072.87 : x
  2. Step 2: Convert to fraction form
    658,387.46/987,581.23 = 185,072.87/x
  3. Step 3: Cross multiply
    658,387.46x = 987,581.23 × 185,072.87
  4. Step 4: Simplify right side
    658,387.46x = 182,774,494,600.50
  5. Step 5: Solve for x
    x = 182,774,494,600.50/658,387.46
  6. Step 6: Final answer
    x = 277,609.32

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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.