Home / 558,358.80-837,538.20-225,934.80

Finding the Fourth Proportional to 558,358.80, 837,538.20 and 225,934.80

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Solution

The fourth proportional to 558,358.80, 837,538.20 and 225,934.80 is: 338,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.80 : 837,538.20 = 225,934.80 : x
  2. Step 2: Convert to fraction form
    558,358.80/837,538.20 = 225,934.80/x
  3. Step 3: Cross multiply
    558,358.80x = 837,538.20 × 225,934.80
  4. Step 4: Simplify right side
    558,358.80x = 189,229,025,709.36
  5. Step 5: Solve for x
    x = 189,229,025,709.36/558,358.80
  6. Step 6: Final answer
    x = 338,902.20

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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.