Home / 609,022.20-913,533.30-188,340.60

Finding the Fourth Proportional to 609,022.20, 913,533.30 and 188,340.60

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Solution

The fourth proportional to 609,022.20, 913,533.30 and 188,340.60 is: 282,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,022.20 : 913,533.30 = 188,340.60 : x
  2. Step 2: Convert to fraction form
    609,022.20/913,533.30 = 188,340.60/x
  3. Step 3: Cross multiply
    609,022.20x = 913,533.30 × 188,340.60
  4. Step 4: Simplify right side
    609,022.20x = 172,055,409,841.98
  5. Step 5: Solve for x
    x = 172,055,409,841.98/609,022.20
  6. Step 6: Final answer
    x = 282,510.90

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Similar ratio
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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.