Home / 676,125.60-1,012,220.10-656,442.60

Finding the Fourth Proportional to 676,125.60, 1,012,220.10 and 656,442.60

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Solution

The fourth proportional to 676,125.60, 1,012,220.10 and 656,442.60 is: 982,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,125.60 : 1,012,220.10 = 656,442.60 : x
  2. Step 2: Convert to fraction form
    676,125.60/1,012,220.10 = 656,442.60/x
  3. Step 3: Cross multiply
    676,125.60x = 1,012,220.10 × 656,442.60
  4. Step 4: Simplify right side
    676,125.60x = 664,464,394,216.26
  5. Step 5: Solve for x
    x = 664,464,394,216.26/676,125.60
  6. Step 6: Final answer
    x = 982,752.90

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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.