Home / 801,575.38-1,106,174.03-439,000.11

Finding the Fourth Proportional to 801,575.38, 1,106,174.03 and 439,000.11

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Solution

The fourth proportional to 801,575.38, 1,106,174.03 and 439,000.11 is: 605,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,575.38 : 1,106,174.03 = 439,000.11 : x
  2. Step 2: Convert to fraction form
    801,575.38/1,106,174.03 = 439,000.11/x
  3. Step 3: Cross multiply
    801,575.38x = 1,106,174.03 × 439,000.11
  4. Step 4: Simplify right side
    801,575.38x = 485,610,520,849.14
  5. Step 5: Solve for x
    x = 485,610,520,849.14/801,575.38
  6. Step 6: Final answer
    x = 605,820.15

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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.