Home / 746,693.70-1,120,040.55-669,711.30

Finding the Fourth Proportional to 746,693.70, 1,120,040.55 and 669,711.30

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Solution

The fourth proportional to 746,693.70, 1,120,040.55 and 669,711.30 is: 1,004,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,693.70 : 1,120,040.55 = 669,711.30 : x
  2. Step 2: Convert to fraction form
    746,693.70/1,120,040.55 = 669,711.30/x
  3. Step 3: Cross multiply
    746,693.70x = 1,120,040.55 × 669,711.30
  4. Step 4: Simplify right side
    746,693.70x = 750,103,812,793.22
  5. Step 5: Solve for x
    x = 750,103,812,793.22/746,693.70
  6. Step 6: Final answer
    x = 1,004,566.95

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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.