Home / 732,650.60-1,098,975.90-520,074.20

Finding the Fourth Proportional to 732,650.60, 1,098,975.90 and 520,074.20

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Solution

The fourth proportional to 732,650.60, 1,098,975.90 and 520,074.20 is: 780,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,650.60 : 1,098,975.90 = 520,074.20 : x
  2. Step 2: Convert to fraction form
    732,650.60/1,098,975.90 = 520,074.20/x
  3. Step 3: Cross multiply
    732,650.60x = 1,098,975.90 × 520,074.20
  4. Step 4: Simplify right side
    732,650.60x = 571,549,012,011.78
  5. Step 5: Solve for x
    x = 571,549,012,011.78/732,650.60
  6. Step 6: Final answer
    x = 780,111.30

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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.