Home / 876,101.40-1,314,152.10-610,162.20

Finding the Fourth Proportional to 876,101.40, 1,314,152.10 and 610,162.20

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Solution

The fourth proportional to 876,101.40, 1,314,152.10 and 610,162.20 is: 915,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,101.40 : 1,314,152.10 = 610,162.20 : x
  2. Step 2: Convert to fraction form
    876,101.40/1,314,152.10 = 610,162.20/x
  3. Step 3: Cross multiply
    876,101.40x = 1,314,152.10 × 610,162.20
  4. Step 4: Simplify right side
    876,101.40x = 801,845,936,470.62
  5. Step 5: Solve for x
    x = 801,845,936,470.62/876,101.40
  6. Step 6: Final answer
    x = 915,243.30

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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.