Home / 1,203,786.75-1,660,952.85-816,654.95

Finding the Fourth Proportional to 1,203,786.75, 1,660,952.85 and 816,654.95

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Solution

The fourth proportional to 1,203,786.75, 1,660,952.85 and 816,654.95 is: 1,126,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,786.75 : 1,660,952.85 = 816,654.95 : x
  2. Step 2: Convert to fraction form
    1,203,786.75/1,660,952.85 = 816,654.95/x
  3. Step 3: Cross multiply
    1,203,786.75x = 1,660,952.85 × 816,654.95
  4. Step 4: Simplify right side
    1,203,786.75x = 1,356,425,366,669.11
  5. Step 5: Solve for x
    x = 1,356,425,366,669.11/1,203,786.75
  6. Step 6: Final answer
    x = 1,126,798.72

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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.