Home / 863,727.11-1,191,947.56-476,542.51

Finding the Fourth Proportional to 863,727.11, 1,191,947.56 and 476,542.51

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Solution

The fourth proportional to 863,727.11, 1,191,947.56 and 476,542.51 is: 657,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,727.11 : 1,191,947.56 = 476,542.51 : x
  2. Step 2: Convert to fraction form
    863,727.11/1,191,947.56 = 476,542.51/x
  3. Step 3: Cross multiply
    863,727.11x = 1,191,947.56 × 476,542.51
  4. Step 4: Simplify right side
    863,727.11x = 568,013,683,819.29
  5. Step 5: Solve for x
    x = 568,013,683,819.29/863,727.11
  6. Step 6: Final answer
    x = 657,630.95

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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.