Home / 927,149.26-1,279,319.83-540,028.39

Finding the Fourth Proportional to 927,149.26, 1,279,319.83 and 540,028.39

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Solution

The fourth proportional to 927,149.26, 1,279,319.83 and 540,028.39 is: 745,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,149.26 : 1,279,319.83 = 540,028.39 : x
  2. Step 2: Convert to fraction form
    927,149.26/1,279,319.83 = 540,028.39/x
  3. Step 3: Cross multiply
    927,149.26x = 1,279,319.83 × 540,028.39
  4. Step 4: Simplify right side
    927,149.26x = 690,869,018,993.23
  5. Step 5: Solve for x
    x = 690,869,018,993.23/927,149.26
  6. Step 6: Final answer
    x = 745,154.05

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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.