Home / 868,753.90-1,198,880.75-529,222.15

Finding the Fourth Proportional to 868,753.90, 1,198,880.75 and 529,222.15

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Solution

The fourth proportional to 868,753.90, 1,198,880.75 and 529,222.15 is: 730,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,753.90 : 1,198,880.75 = 529,222.15 : x
  2. Step 2: Convert to fraction form
    868,753.90/1,198,880.75 = 529,222.15/x
  3. Step 3: Cross multiply
    868,753.90x = 1,198,880.75 × 529,222.15
  4. Step 4: Simplify right side
    868,753.90x = 634,474,246,434.47
  5. Step 5: Solve for x
    x = 634,474,246,434.47/868,753.90
  6. Step 6: Final answer
    x = 730,326.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.