Home / 801,437.11-1,105,983.19-438,883.14

Finding the Fourth Proportional to 801,437.11, 1,105,983.19 and 438,883.14

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Solution

The fourth proportional to 801,437.11, 1,105,983.19 and 438,883.14 is: 605,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,437.11 : 1,105,983.19 = 438,883.14 : x
  2. Step 2: Convert to fraction form
    801,437.11/1,105,983.19 = 438,883.14/x
  3. Step 3: Cross multiply
    801,437.11x = 1,105,983.19 × 438,883.14
  4. Step 4: Simplify right side
    801,437.11x = 485,397,368,587.29
  5. Step 5: Solve for x
    x = 485,397,368,587.29/801,437.11
  6. Step 6: Final answer
    x = 605,658.71

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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.