Home / 980,707.91-1,353,367.68-545,113.85

Finding the Fourth Proportional to 980,707.91, 1,353,367.68 and 545,113.85

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Solution

The fourth proportional to 980,707.91, 1,353,367.68 and 545,113.85 is: 752,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,707.91 : 1,353,367.68 = 545,113.85 : x
  2. Step 2: Convert to fraction form
    980,707.91/1,353,367.68 = 545,113.85/x
  3. Step 3: Cross multiply
    980,707.91x = 1,353,367.68 × 545,113.85
  4. Step 4: Simplify right side
    980,707.91x = 737,739,459,743.53
  5. Step 5: Solve for x
    x = 737,739,459,743.53/980,707.91
  6. Step 6: Final answer
    x = 752,251.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.