Home / 721,101.28-1,081,194-383,933.92

Finding the Fourth Proportional to 721,101.28, 1,081,194 and 383,933.92

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Solution

The fourth proportional to 721,101.28, 1,081,194 and 383,933.92 is: 575,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,101.28 : 1,081,194 = 383,933.92 : x
  2. Step 2: Convert to fraction form
    721,101.28/1,081,194 = 383,933.92/x
  3. Step 3: Cross multiply
    721,101.28x = 1,081,194 × 383,933.92
  4. Step 4: Simplify right side
    721,101.28x = 415,107,050,700.48
  5. Step 5: Solve for x
    x = 415,107,050,700.48/721,101.28
  6. Step 6: Final answer
    x = 575,657.07

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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.