Home / 488,566.20-732,849.30-409,834.20

Finding the Fourth Proportional to 488,566.20, 732,849.30 and 409,834.20

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Solution

The fourth proportional to 488,566.20, 732,849.30 and 409,834.20 is: 614,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,566.20 : 732,849.30 = 409,834.20 : x
  2. Step 2: Convert to fraction form
    488,566.20/732,849.30 = 409,834.20/x
  3. Step 3: Cross multiply
    488,566.20x = 732,849.30 × 409,834.20
  4. Step 4: Simplify right side
    488,566.20x = 300,346,706,586.06
  5. Step 5: Solve for x
    x = 300,346,706,586.06/488,566.20
  6. Step 6: Final answer
    x = 614,751.30

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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.