Home / 682,712.20-1,024,068.30-458,180.20

Finding the Fourth Proportional to 682,712.20, 1,024,068.30 and 458,180.20

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Solution

The fourth proportional to 682,712.20, 1,024,068.30 and 458,180.20 is: 687,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,712.20 : 1,024,068.30 = 458,180.20 : x
  2. Step 2: Convert to fraction form
    682,712.20/1,024,068.30 = 458,180.20/x
  3. Step 3: Cross multiply
    682,712.20x = 1,024,068.30 × 458,180.20
  4. Step 4: Simplify right side
    682,712.20x = 469,207,818,507.66
  5. Step 5: Solve for x
    x = 469,207,818,507.66/682,712.20
  6. Step 6: Final answer
    x = 687,270.30

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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.