Home / 526,912.38-790,370.61-127,552.50

Finding the Fourth Proportional to 526,912.38, 790,370.61 and 127,552.50

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Solution

The fourth proportional to 526,912.38, 790,370.61 and 127,552.50 is: 191,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,912.38 : 790,370.61 = 127,552.50 : x
  2. Step 2: Convert to fraction form
    526,912.38/790,370.61 = 127,552.50/x
  3. Step 3: Cross multiply
    526,912.38x = 790,370.61 × 127,552.50
  4. Step 4: Simplify right side
    526,912.38x = 100,813,747,232.03
  5. Step 5: Solve for x
    x = 100,813,747,232.03/526,912.38
  6. Step 6: Final answer
    x = 191,329.24

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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.