Home / 752,865.56-1,129,058.84-247,309.24

Finding the Fourth Proportional to 752,865.56, 1,129,058.84 and 247,309.24

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Solution

The fourth proportional to 752,865.56, 1,129,058.84 and 247,309.24 is: 370,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,865.56 : 1,129,058.84 = 247,309.24 : x
  2. Step 2: Convert to fraction form
    752,865.56/1,129,058.84 = 247,309.24/x
  3. Step 3: Cross multiply
    752,865.56x = 1,129,058.84 × 247,309.24
  4. Step 4: Simplify right side
    752,865.56x = 279,226,683,635.68
  5. Step 5: Solve for x
    x = 279,226,683,635.68/752,865.56
  6. Step 6: Final answer
    x = 370,885.19

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Double scale
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Similar ratio
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1.5x scale

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.