Home / 4,382,753.31-6,574,129.83-1,187,879.40

Finding the Fourth Proportional to 4,382,753.31, 6,574,129.83 and 1,187,879.40

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Solution

The fourth proportional to 4,382,753.31, 6,574,129.83 and 1,187,879.40 is: 1,781,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382,753.31 : 6,574,129.83 = 1,187,879.40 : x
  2. Step 2: Convert to fraction form
    4,382,753.31/6,574,129.83 = 1,187,879.40/x
  3. Step 3: Cross multiply
    4,382,753.31x = 6,574,129.83 × 1,187,879.40
  4. Step 4: Simplify right side
    4,382,753.31x = 7,809,273,397,982.50
  5. Step 5: Solve for x
    x = 7,809,273,397,982.50/4,382,753.31
  6. Step 6: Final answer
    x = 1,781,819.06

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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.