Home / 558,975.40-838,463.10-322,123.30

Finding the Fourth Proportional to 558,975.40, 838,463.10 and 322,123.30

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Solution

The fourth proportional to 558,975.40, 838,463.10 and 322,123.30 is: 483,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,975.40 : 838,463.10 = 322,123.30 : x
  2. Step 2: Convert to fraction form
    558,975.40/838,463.10 = 322,123.30/x
  3. Step 3: Cross multiply
    558,975.40x = 838,463.10 × 322,123.30
  4. Step 4: Simplify right side
    558,975.40x = 270,088,500,700.23
  5. Step 5: Solve for x
    x = 270,088,500,700.23/558,975.40
  6. Step 6: Final answer
    x = 483,184.95

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Double scale
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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.