Home / 1,147,808.55-1,584,149.01-664,689.31

Finding the Fourth Proportional to 1,147,808.55, 1,584,149.01 and 664,689.31

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Solution

The fourth proportional to 1,147,808.55, 1,584,149.01 and 664,689.31 is: 917,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,808.55 : 1,584,149.01 = 664,689.31 : x
  2. Step 2: Convert to fraction form
    1,147,808.55/1,584,149.01 = 664,689.31/x
  3. Step 3: Cross multiply
    1,147,808.55x = 1,584,149.01 × 664,689.31
  4. Step 4: Simplify right side
    1,147,808.55x = 1,052,966,912,394.08
  5. Step 5: Solve for x
    x = 1,052,966,912,394.08/1,147,808.55
  6. Step 6: Final answer
    x = 917,371.55

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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.