Home / 752,154.18-1,037,954.96-412,619.46

Finding the Fourth Proportional to 752,154.18, 1,037,954.96 and 412,619.46

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Solution

The fourth proportional to 752,154.18, 1,037,954.96 and 412,619.46 is: 569,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,154.18 : 1,037,954.96 = 412,619.46 : x
  2. Step 2: Convert to fraction form
    752,154.18/1,037,954.96 = 412,619.46/x
  3. Step 3: Cross multiply
    752,154.18x = 1,037,954.96 × 412,619.46
  4. Step 4: Simplify right side
    752,154.18x = 428,280,415,099.52
  5. Step 5: Solve for x
    x = 428,280,415,099.52/752,154.18
  6. Step 6: Final answer
    x = 569,405.09

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1.5x scale

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.