Home / 1,097,177.27-1,514,408.98-638,380.46

Finding the Fourth Proportional to 1,097,177.27, 1,514,408.98 and 638,380.46

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Solution

The fourth proportional to 1,097,177.27, 1,514,408.98 and 638,380.46 is: 881,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,177.27 : 1,514,408.98 = 638,380.46 : x
  2. Step 2: Convert to fraction form
    1,097,177.27/1,514,408.98 = 638,380.46/x
  3. Step 3: Cross multiply
    1,097,177.27x = 1,514,408.98 × 638,380.46
  4. Step 4: Simplify right side
    1,097,177.27x = 966,769,103,470.60
  5. Step 5: Solve for x
    x = 966,769,103,470.60/1,097,177.27
  6. Step 6: Final answer
    x = 881,142.12

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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.