Home / 927,600.18-1,391,236.24-422,042.32

Finding the Fourth Proportional to 927,600.18, 1,391,236.24 and 422,042.32

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Solution

The fourth proportional to 927,600.18, 1,391,236.24 and 422,042.32 is: 632,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,600.18 : 1,391,236.24 = 422,042.32 : x
  2. Step 2: Convert to fraction form
    927,600.18/1,391,236.24 = 422,042.32/x
  3. Step 3: Cross multiply
    927,600.18x = 1,391,236.24 × 422,042.32
  4. Step 4: Simplify right side
    927,600.18x = 587,160,570,397.68
  5. Step 5: Solve for x
    x = 587,160,570,397.68/927,600.18
  6. Step 6: Final answer
    x = 632,988.85

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1.5x scale

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.