Home / 724,442.60-1,085,627.10-533,412.20

Finding the Fourth Proportional to 724,442.60, 1,085,627.10 and 533,412.20

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Solution

The fourth proportional to 724,442.60, 1,085,627.10 and 533,412.20 is: 799,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,442.60 : 1,085,627.10 = 533,412.20 : x
  2. Step 2: Convert to fraction form
    724,442.60/1,085,627.10 = 533,412.20/x
  3. Step 3: Cross multiply
    724,442.60x = 1,085,627.10 × 533,412.20
  4. Step 4: Simplify right side
    724,442.60x = 579,086,739,790.62
  5. Step 5: Solve for x
    x = 579,086,739,790.62/724,442.60
  6. Step 6: Final answer
    x = 799,354.90

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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.