Home / 1,767,471.45-2,439,387.59-1,042,398.87

Finding the Fourth Proportional to 1,767,471.45, 2,439,387.59 and 1,042,398.87

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Solution

The fourth proportional to 1,767,471.45, 2,439,387.59 and 1,042,398.87 is: 1,438,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,471.45 : 2,439,387.59 = 1,042,398.87 : x
  2. Step 2: Convert to fraction form
    1,767,471.45/2,439,387.59 = 1,042,398.87/x
  3. Step 3: Cross multiply
    1,767,471.45x = 2,439,387.59 × 1,042,398.87
  4. Step 4: Simplify right side
    1,767,471.45x = 2,542,814,867,308.02
  5. Step 5: Solve for x
    x = 2,542,814,867,308.02/1,767,471.45
  6. Step 6: Final answer
    x = 1,438,673.80

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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.