Home / 638,253.46-957,380.19-195,017.62

Finding the Fourth Proportional to 638,253.46, 957,380.19 and 195,017.62

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Solution

The fourth proportional to 638,253.46, 957,380.19 and 195,017.62 is: 292,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,253.46 : 957,380.19 = 195,017.62 : x
  2. Step 2: Convert to fraction form
    638,253.46/957,380.19 = 195,017.62/x
  3. Step 3: Cross multiply
    638,253.46x = 957,380.19 × 195,017.62
  4. Step 4: Simplify right side
    638,253.46x = 186,706,006,088.95
  5. Step 5: Solve for x
    x = 186,706,006,088.95/638,253.46
  6. Step 6: Final answer
    x = 292,526.43

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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.