Home / 654,229.20-981,343.80-619,237.20

Finding the Fourth Proportional to 654,229.20, 981,343.80 and 619,237.20

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Solution

The fourth proportional to 654,229.20, 981,343.80 and 619,237.20 is: 928,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,229.20 : 981,343.80 = 619,237.20 : x
  2. Step 2: Convert to fraction form
    654,229.20/981,343.80 = 619,237.20/x
  3. Step 3: Cross multiply
    654,229.20x = 981,343.80 × 619,237.20
  4. Step 4: Simplify right side
    654,229.20x = 607,684,586,949.36
  5. Step 5: Solve for x
    x = 607,684,586,949.36/654,229.20
  6. Step 6: Final answer
    x = 928,855.80

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Half scale
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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.