Home / 386,128.19-532,266.24-271,084.10

Finding the Fourth Proportional to 386,128.19, 532,266.24 and 271,084.10

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Solution

The fourth proportional to 386,128.19, 532,266.24 and 271,084.10 is: 373,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,128.19 : 532,266.24 = 271,084.10 : x
  2. Step 2: Convert to fraction form
    386,128.19/532,266.24 = 271,084.10/x
  3. Step 3: Cross multiply
    386,128.19x = 532,266.24 × 271,084.10
  4. Step 4: Simplify right side
    386,128.19x = 144,288,914,630.78
  5. Step 5: Solve for x
    x = 144,288,914,630.78/386,128.19
  6. Step 6: Final answer
    x = 373,681.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.