Home / 1,557,614.66-2,149,536.22-913,499.42

Finding the Fourth Proportional to 1,557,614.66, 2,149,536.22 and 913,499.42

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Solution

The fourth proportional to 1,557,614.66, 2,149,536.22 and 913,499.42 is: 1,260,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,614.66 : 2,149,536.22 = 913,499.42 : x
  2. Step 2: Convert to fraction form
    1,557,614.66/2,149,536.22 = 913,499.42/x
  3. Step 3: Cross multiply
    1,557,614.66x = 2,149,536.22 × 913,499.42
  4. Step 4: Simplify right side
    1,557,614.66x = 1,963,600,077,207.56
  5. Step 5: Solve for x
    x = 1,963,600,077,207.56/1,557,614.66
  6. Step 6: Final answer
    x = 1,260,645.61

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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.