Home / 1,448,778.15-2,173,187.27-437,908.48

Finding the Fourth Proportional to 1,448,778.15, 2,173,187.27 and 437,908.48

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Solution

The fourth proportional to 1,448,778.15, 2,173,187.27 and 437,908.48 is: 656,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,778.15 : 2,173,187.27 = 437,908.48 : x
  2. Step 2: Convert to fraction form
    1,448,778.15/2,173,187.27 = 437,908.48/x
  3. Step 3: Cross multiply
    1,448,778.15x = 2,173,187.27 × 437,908.48
  4. Step 4: Simplify right side
    1,448,778.15x = 951,657,129,822.85
  5. Step 5: Solve for x
    x = 951,657,129,822.85/1,448,778.15
  6. Step 6: Final answer
    x = 656,868.78

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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.