Home / 1,003,977.18-1,385,087.85-641,306.97

Finding the Fourth Proportional to 1,003,977.18, 1,385,087.85 and 641,306.97

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Solution

The fourth proportional to 1,003,977.18, 1,385,087.85 and 641,306.97 is: 884,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,977.18 : 1,385,087.85 = 641,306.97 : x
  2. Step 2: Convert to fraction form
    1,003,977.18/1,385,087.85 = 641,306.97/x
  3. Step 3: Cross multiply
    1,003,977.18x = 1,385,087.85 × 641,306.97
  4. Step 4: Simplify right side
    1,003,977.18x = 888,266,492,267.32
  5. Step 5: Solve for x
    x = 888,266,492,267.32/1,003,977.18
  6. Step 6: Final answer
    x = 884,747.69

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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.