Home / 1,052,175.56-1,451,658.11-643,851.72

Finding the Fourth Proportional to 1,052,175.56, 1,451,658.11 and 643,851.72

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Solution

The fourth proportional to 1,052,175.56, 1,451,658.11 and 643,851.72 is: 888,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,175.56 : 1,451,658.11 = 643,851.72 : x
  2. Step 2: Convert to fraction form
    1,052,175.56/1,451,658.11 = 643,851.72/x
  3. Step 3: Cross multiply
    1,052,175.56x = 1,451,658.11 × 643,851.72
  4. Step 4: Simplify right side
    1,052,175.56x = 934,652,567,756.19
  5. Step 5: Solve for x
    x = 934,652,567,756.19/1,052,175.56
  6. Step 6: Final answer
    x = 888,304.77

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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.