Home / 1,191,778.10-1,644,686.22-647,950.48

Finding the Fourth Proportional to 1,191,778.10, 1,644,686.22 and 647,950.48

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Solution

The fourth proportional to 1,191,778.10, 1,644,686.22 and 647,950.48 is: 894,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,778.10 : 1,644,686.22 = 647,950.48 : x
  2. Step 2: Convert to fraction form
    1,191,778.10/1,644,686.22 = 647,950.48/x
  3. Step 3: Cross multiply
    1,191,778.10x = 1,644,686.22 × 647,950.48
  4. Step 4: Simplify right side
    1,191,778.10x = 1,065,675,225,698.39
  5. Step 5: Solve for x
    x = 1,065,675,225,698.39/1,191,778.10
  6. Step 6: Final answer
    x = 894,189.30

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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.