Home / 1,217,911.11-1,680,704.96-674,047.95

Finding the Fourth Proportional to 1,217,911.11, 1,680,704.96 and 674,047.95

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Solution

The fourth proportional to 1,217,911.11, 1,680,704.96 and 674,047.95 is: 930,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,911.11 : 1,680,704.96 = 674,047.95 : x
  2. Step 2: Convert to fraction form
    1,217,911.11/1,680,704.96 = 674,047.95/x
  3. Step 3: Cross multiply
    1,217,911.11x = 1,680,704.96 × 674,047.95
  4. Step 4: Simplify right side
    1,217,911.11x = 1,132,875,729,472.59
  5. Step 5: Solve for x
    x = 1,132,875,729,472.59/1,217,911.11
  6. Step 6: Final answer
    x = 930,179.32

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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.