Home / 801,950.11-1,106,691.12-439,387.72

Finding the Fourth Proportional to 801,950.11, 1,106,691.12 and 439,387.72

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Solution

The fourth proportional to 801,950.11, 1,106,691.12 and 439,387.72 is: 606,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,950.11 : 1,106,691.12 = 439,387.72 : x
  2. Step 2: Convert to fraction form
    801,950.11/1,106,691.12 = 439,387.72/x
  3. Step 3: Cross multiply
    801,950.11x = 1,106,691.12 × 439,387.72
  4. Step 4: Simplify right side
    801,950.11x = 486,266,487,961.05
  5. Step 5: Solve for x
    x = 486,266,487,961.05/801,950.11
  6. Step 6: Final answer
    x = 606,355.04

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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.