Home / 876,133.52-1,314,200.28-343,905.20

Finding the Fourth Proportional to 876,133.52, 1,314,200.28 and 343,905.20

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Solution

The fourth proportional to 876,133.52, 1,314,200.28 and 343,905.20 is: 515,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,133.52 : 1,314,200.28 = 343,905.20 : x
  2. Step 2: Convert to fraction form
    876,133.52/1,314,200.28 = 343,905.20/x
  3. Step 3: Cross multiply
    876,133.52x = 1,314,200.28 × 343,905.20
  4. Step 4: Simplify right side
    876,133.52x = 451,960,310,133.46
  5. Step 5: Solve for x
    x = 451,960,310,133.46/876,133.52
  6. Step 6: Final answer
    x = 515,857.80

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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.