Home / 927,443.20-1,391,229.60-366,404.80

Finding the Fourth Proportional to 927,443.20, 1,391,229.60 and 366,404.80

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Solution

The fourth proportional to 927,443.20, 1,391,229.60 and 366,404.80 is: 549,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,443.20 : 1,391,229.60 = 366,404.80 : x
  2. Step 2: Convert to fraction form
    927,443.20/1,391,229.60 = 366,404.80/x
  3. Step 3: Cross multiply
    927,443.20x = 1,391,229.60 × 366,404.80
  4. Step 4: Simplify right side
    927,443.20x = 509,753,203,342.08
  5. Step 5: Solve for x
    x = 509,753,203,342.08/927,443.20
  6. Step 6: Final answer
    x = 549,632.80

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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.