Home / 1,191,767.74-1,644,658.19-647,905.61

Finding the Fourth Proportional to 1,191,767.74, 1,644,658.19 and 647,905.61

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Solution

The fourth proportional to 1,191,767.74, 1,644,658.19 and 647,905.61 is: 894,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,767.74 : 1,644,658.19 = 647,905.61 : x
  2. Step 2: Convert to fraction form
    1,191,767.74/1,644,658.19 = 647,905.61/x
  3. Step 3: Cross multiply
    1,191,767.74x = 1,644,658.19 × 647,905.61
  4. Step 4: Simplify right side
    1,191,767.74x = 1,065,583,261,229.92
  5. Step 5: Solve for x
    x = 1,065,583,261,229.92/1,191,767.74
  6. Step 6: Final answer
    x = 894,119.91

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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.