Home / 1,226,917.80-1,693,810.62-860,519.88

Finding the Fourth Proportional to 1,226,917.80, 1,693,810.62 and 860,519.88

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Solution

The fourth proportional to 1,226,917.80, 1,693,810.62 and 860,519.88 is: 1,187,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,917.80 : 1,693,810.62 = 860,519.88 : x
  2. Step 2: Convert to fraction form
    1,226,917.80/1,693,810.62 = 860,519.88/x
  3. Step 3: Cross multiply
    1,226,917.80x = 1,693,810.62 × 860,519.88
  4. Step 4: Simplify right side
    1,226,917.80x = 1,457,557,711,465.13
  5. Step 5: Solve for x
    x = 1,457,557,711,465.13/1,226,917.80
  6. Step 6: Final answer
    x = 1,187,983.18

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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.