Home / 527,132.24-790,698.46-190,172.78

Finding the Fourth Proportional to 527,132.24, 790,698.46 and 190,172.78

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Solution

The fourth proportional to 527,132.24, 790,698.46 and 190,172.78 is: 285,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,132.24 : 790,698.46 = 190,172.78 : x
  2. Step 2: Convert to fraction form
    527,132.24/790,698.46 = 190,172.78/x
  3. Step 3: Cross multiply
    527,132.24x = 790,698.46 × 190,172.78
  4. Step 4: Simplify right side
    527,132.24x = 150,369,324,279.92
  5. Step 5: Solve for x
    x = 150,369,324,279.92/527,132.24
  6. Step 6: Final answer
    x = 285,259.21

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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.