Home / 1,191,778.90-1,644,686.70-647,951.26

Finding the Fourth Proportional to 1,191,778.90, 1,644,686.70 and 647,951.26

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Solution

The fourth proportional to 1,191,778.90, 1,644,686.70 and 647,951.26 is: 894,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,778.90 : 1,644,686.70 = 647,951.26 : x
  2. Step 2: Convert to fraction form
    1,191,778.90/1,644,686.70 = 647,951.26/x
  3. Step 3: Cross multiply
    1,191,778.90x = 1,644,686.70 × 647,951.26
  4. Step 4: Simplify right side
    1,191,778.90x = 1,065,676,819,570.24
  5. Step 5: Solve for x
    x = 1,065,676,819,570.24/1,191,778.90
  6. Step 6: Final answer
    x = 894,190.04

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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.