Home / 541,304.20-811,956.30-141,944.20

Finding the Fourth Proportional to 541,304.20, 811,956.30 and 141,944.20

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Solution

The fourth proportional to 541,304.20, 811,956.30 and 141,944.20 is: 212,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,304.20 : 811,956.30 = 141,944.20 : x
  2. Step 2: Convert to fraction form
    541,304.20/811,956.30 = 141,944.20/x
  3. Step 3: Cross multiply
    541,304.20x = 811,956.30 × 141,944.20
  4. Step 4: Simplify right side
    541,304.20x = 115,252,487,438.46
  5. Step 5: Solve for x
    x = 115,252,487,438.46/541,304.20
  6. Step 6: Final answer
    x = 212,916.30

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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.