Home / 410,513.45-615,947.57-220,752.02

Finding the Fourth Proportional to 410,513.45, 615,947.57 and 220,752.02

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Solution

The fourth proportional to 410,513.45, 615,947.57 and 220,752.02 is: 331,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,513.45 : 615,947.57 = 220,752.02 : x
  2. Step 2: Convert to fraction form
    410,513.45/615,947.57 = 220,752.02/x
  3. Step 3: Cross multiply
    410,513.45x = 615,947.57 × 220,752.02
  4. Step 4: Simplify right side
    410,513.45x = 135,971,670,291.59
  5. Step 5: Solve for x
    x = 135,971,670,291.59/410,513.45
  6. Step 6: Final answer
    x = 331,223.42

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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.