Home / 755,253.80-1,132,880.70-725,729.30

Finding the Fourth Proportional to 755,253.80, 1,132,880.70 and 725,729.30

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Solution

The fourth proportional to 755,253.80, 1,132,880.70 and 725,729.30 is: 1,088,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,253.80 : 1,132,880.70 = 725,729.30 : x
  2. Step 2: Convert to fraction form
    755,253.80/1,132,880.70 = 725,729.30/x
  3. Step 3: Cross multiply
    755,253.80x = 1,132,880.70 × 725,729.30
  4. Step 4: Simplify right side
    755,253.80x = 822,164,717,394.51
  5. Step 5: Solve for x
    x = 822,164,717,394.51/755,253.80
  6. Step 6: Final answer
    x = 1,088,593.95

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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.