Home / 1,217,973.92-1,680,791.52-674,110.76

Finding the Fourth Proportional to 1,217,973.92, 1,680,791.52 and 674,110.76

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Solution

The fourth proportional to 1,217,973.92, 1,680,791.52 and 674,110.76 is: 930,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,973.92 : 1,680,791.52 = 674,110.76 : x
  2. Step 2: Convert to fraction form
    1,217,973.92/1,680,791.52 = 674,110.76/x
  3. Step 3: Cross multiply
    1,217,973.92x = 1,680,791.52 × 674,110.76
  4. Step 4: Simplify right side
    1,217,973.92x = 1,133,039,648,948.76
  5. Step 5: Solve for x
    x = 1,133,039,648,948.76/1,217,973.92
  6. Step 6: Final answer
    x = 930,265.94

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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.