Home / 1,544,731.80-2,131,856.17-856,619.49

Finding the Fourth Proportional to 1,544,731.80, 2,131,856.17 and 856,619.49

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Solution

The fourth proportional to 1,544,731.80, 2,131,856.17 and 856,619.49 is: 1,182,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,731.80 : 2,131,856.17 = 856,619.49 : x
  2. Step 2: Convert to fraction form
    1,544,731.80/2,131,856.17 = 856,619.49/x
  3. Step 3: Cross multiply
    1,544,731.80x = 2,131,856.17 × 856,619.49
  4. Step 4: Simplify right side
    1,544,731.80x = 1,826,189,545,098.75
  5. Step 5: Solve for x
    x = 1,826,189,545,098.75/1,544,731.80
  6. Step 6: Final answer
    x = 1,182,204.93

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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.