Home / 1,182,487.68-1,631,808-673,182.72

Finding the Fourth Proportional to 1,182,487.68, 1,631,808 and 673,182.72

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Solution

The fourth proportional to 1,182,487.68, 1,631,808 and 673,182.72 is: 928,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,487.68 : 1,631,808 = 673,182.72 : x
  2. Step 2: Convert to fraction form
    1,182,487.68/1,631,808 = 673,182.72/x
  3. Step 3: Cross multiply
    1,182,487.68x = 1,631,808 × 673,182.72
  4. Step 4: Simplify right side
    1,182,487.68x = 1,098,504,947,957.76
  5. Step 5: Solve for x
    x = 1,098,504,947,957.76/1,182,487.68
  6. Step 6: Final answer
    x = 928,977.92

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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.