Home / 1,172,079.15-1,755,843.86-863,771.20

Finding the Fourth Proportional to 1,172,079.15, 1,755,843.86 and 863,771.20

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Solution

The fourth proportional to 1,172,079.15, 1,755,843.86 and 863,771.20 is: 1,293,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,079.15 : 1,755,843.86 = 863,771.20 : x
  2. Step 2: Convert to fraction form
    1,172,079.15/1,755,843.86 = 863,771.20/x
  3. Step 3: Cross multiply
    1,172,079.15x = 1,755,843.86 × 863,771.20
  4. Step 4: Simplify right side
    1,172,079.15x = 1,516,647,357,964.83
  5. Step 5: Solve for x
    x = 1,516,647,357,964.83/1,172,079.15
  6. Step 6: Final answer
    x = 1,293,980.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.