Home / 864,474.12-1,191,865.08-708,851.97

Finding the Fourth Proportional to 864,474.12, 1,191,865.08 and 708,851.97

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Solution

The fourth proportional to 864,474.12, 1,191,865.08 and 708,851.97 is: 977,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,474.12 : 1,191,865.08 = 708,851.97 : x
  2. Step 2: Convert to fraction form
    864,474.12/1,191,865.08 = 708,851.97/x
  3. Step 3: Cross multiply
    864,474.12x = 1,191,865.08 × 708,851.97
  4. Step 4: Simplify right side
    864,474.12x = 844,855,909,932.21
  5. Step 5: Solve for x
    x = 844,855,909,932.21/864,474.12
  6. Step 6: Final answer
    x = 977,306.19

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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.