Home / 753,609.40-1,130,414.10-652,132.60

Finding the Fourth Proportional to 753,609.40, 1,130,414.10 and 652,132.60

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Solution

The fourth proportional to 753,609.40, 1,130,414.10 and 652,132.60 is: 978,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,609.40 : 1,130,414.10 = 652,132.60 : x
  2. Step 2: Convert to fraction form
    753,609.40/1,130,414.10 = 652,132.60/x
  3. Step 3: Cross multiply
    753,609.40x = 1,130,414.10 × 652,132.60
  4. Step 4: Simplify right side
    753,609.40x = 737,179,886,109.66
  5. Step 5: Solve for x
    x = 737,179,886,109.66/753,609.40
  6. Step 6: Final answer
    x = 978,198.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.