Home / 927,150.26-1,279,321.20-540,029.39

Finding the Fourth Proportional to 927,150.26, 1,279,321.20 and 540,029.39

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Solution

The fourth proportional to 927,150.26, 1,279,321.20 and 540,029.39 is: 745,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,150.26 : 1,279,321.20 = 540,029.39 : x
  2. Step 2: Convert to fraction form
    927,150.26/1,279,321.20 = 540,029.39/x
  3. Step 3: Cross multiply
    927,150.26x = 1,279,321.20 × 540,029.39
  4. Step 4: Simplify right side
    927,150.26x = 690,871,047,250.07
  5. Step 5: Solve for x
    x = 690,871,047,250.07/927,150.26
  6. Step 6: Final answer
    x = 745,155.43

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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.