Home / 731,570.20-1,098,230.10-411,976.60

Finding the Fourth Proportional to 731,570.20, 1,098,230.10 and 411,976.60

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Solution

The fourth proportional to 731,570.20, 1,098,230.10 and 411,976.60 is: 618,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,570.20 : 1,098,230.10 = 411,976.60 : x
  2. Step 2: Convert to fraction form
    731,570.20/1,098,230.10 = 411,976.60/x
  3. Step 3: Cross multiply
    731,570.20x = 1,098,230.10 × 411,976.60
  4. Step 4: Simplify right side
    731,570.20x = 452,445,102,615.66
  5. Step 5: Solve for x
    x = 452,445,102,615.66/731,570.20
  6. Step 6: Final answer
    x = 618,457.54

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Double scale
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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.