Home / 1,042,077.66-1,438,067.17-565,149.66

Finding the Fourth Proportional to 1,042,077.66, 1,438,067.17 and 565,149.66

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Solution

The fourth proportional to 1,042,077.66, 1,438,067.17 and 565,149.66 is: 779,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,077.66 : 1,438,067.17 = 565,149.66 : x
  2. Step 2: Convert to fraction form
    1,042,077.66/1,438,067.17 = 565,149.66/x
  3. Step 3: Cross multiply
    1,042,077.66x = 1,438,067.17 × 565,149.66
  4. Step 4: Simplify right side
    1,042,077.66x = 812,723,164,317.38
  5. Step 5: Solve for x
    x = 812,723,164,317.38/1,042,077.66
  6. Step 6: Final answer
    x = 779,906.53

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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.