Home / 539,554.20-809,331.30-165,528.60

Finding the Fourth Proportional to 539,554.20, 809,331.30 and 165,528.60

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Solution

The fourth proportional to 539,554.20, 809,331.30 and 165,528.60 is: 248,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,554.20 : 809,331.30 = 165,528.60 : x
  2. Step 2: Convert to fraction form
    539,554.20/809,331.30 = 165,528.60/x
  3. Step 3: Cross multiply
    539,554.20x = 809,331.30 × 165,528.60
  4. Step 4: Simplify right side
    539,554.20x = 133,967,477,025.18
  5. Step 5: Solve for x
    x = 133,967,477,025.18/539,554.20
  6. Step 6: Final answer
    x = 248,292.90

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Half scale
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Double scale
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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.