Home / 876,616.20-1,314,924.30-498,702.60

Finding the Fourth Proportional to 876,616.20, 1,314,924.30 and 498,702.60

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Solution

The fourth proportional to 876,616.20, 1,314,924.30 and 498,702.60 is: 748,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,616.20 : 1,314,924.30 = 498,702.60 : x
  2. Step 2: Convert to fraction form
    876,616.20/1,314,924.30 = 498,702.60/x
  3. Step 3: Cross multiply
    876,616.20x = 1,314,924.30 × 498,702.60
  4. Step 4: Simplify right side
    876,616.20x = 655,756,167,213.18
  5. Step 5: Solve for x
    x = 655,756,167,213.18/876,616.20
  6. Step 6: Final answer
    x = 748,053.90

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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.