Home / 664,266.30-996,399.45-243,706.20

Finding the Fourth Proportional to 664,266.30, 996,399.45 and 243,706.20

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Solution

The fourth proportional to 664,266.30, 996,399.45 and 243,706.20 is: 365,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,266.30 : 996,399.45 = 243,706.20 : x
  2. Step 2: Convert to fraction form
    664,266.30/996,399.45 = 243,706.20/x
  3. Step 3: Cross multiply
    664,266.30x = 996,399.45 × 243,706.20
  4. Step 4: Simplify right side
    664,266.30x = 242,828,723,641.59
  5. Step 5: Solve for x
    x = 242,828,723,641.59/664,266.30
  6. Step 6: Final answer
    x = 365,559.30

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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.