Home / 1,317,778.20-1,976,084.10-607,440.60

Finding the Fourth Proportional to 1,317,778.20, 1,976,084.10 and 607,440.60

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Solution

The fourth proportional to 1,317,778.20, 1,976,084.10 and 607,440.60 is: 910,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,778.20 : 1,976,084.10 = 607,440.60 : x
  2. Step 2: Convert to fraction form
    1,317,778.20/1,976,084.10 = 607,440.60/x
  3. Step 3: Cross multiply
    1,317,778.20x = 1,976,084.10 × 607,440.60
  4. Step 4: Simplify right side
    1,317,778.20x = 1,200,353,711,354.46
  5. Step 5: Solve for x
    x = 1,200,353,711,354.46/1,317,778.20
  6. Step 6: Final answer
    x = 910,892.07

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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.