Home / 527,973.28-791,947.92-128,616.16

Finding the Fourth Proportional to 527,973.28, 791,947.92 and 128,616.16

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Solution

The fourth proportional to 527,973.28, 791,947.92 and 128,616.16 is: 192,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,973.28 : 791,947.92 = 128,616.16 : x
  2. Step 2: Convert to fraction form
    527,973.28/791,947.92 = 128,616.16/x
  3. Step 3: Cross multiply
    527,973.28x = 791,947.92 × 128,616.16
  4. Step 4: Simplify right side
    527,973.28x = 101,857,300,390.39
  5. Step 5: Solve for x
    x = 101,857,300,390.39/527,973.28
  6. Step 6: Final answer
    x = 192,921.32

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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.