Home / 819,169.44-1,130,451.24-456,589.20

Finding the Fourth Proportional to 819,169.44, 1,130,451.24 and 456,589.20

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Solution

The fourth proportional to 819,169.44, 1,130,451.24 and 456,589.20 is: 630,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,169.44 : 1,130,451.24 = 456,589.20 : x
  2. Step 2: Convert to fraction form
    819,169.44/1,130,451.24 = 456,589.20/x
  3. Step 3: Cross multiply
    819,169.44x = 1,130,451.24 × 456,589.20
  4. Step 4: Simplify right side
    819,169.44x = 516,151,827,310.61
  5. Step 5: Solve for x
    x = 516,151,827,310.61/819,169.44
  6. Step 6: Final answer
    x = 630,091.65

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Double scale
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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.