Home / 1,012,375.38-1,397,107.18-559,695.54

Finding the Fourth Proportional to 1,012,375.38, 1,397,107.18 and 559,695.54

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Solution

The fourth proportional to 1,012,375.38, 1,397,107.18 and 559,695.54 is: 772,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,375.38 : 1,397,107.18 = 559,695.54 : x
  2. Step 2: Convert to fraction form
    1,012,375.38/1,397,107.18 = 559,695.54/x
  3. Step 3: Cross multiply
    1,012,375.38x = 1,397,107.18 × 559,695.54
  4. Step 4: Simplify right side
    1,012,375.38x = 781,954,649,163.20
  5. Step 5: Solve for x
    x = 781,954,649,163.20/1,012,375.38
  6. Step 6: Final answer
    x = 772,395.96

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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.