Home / 656,822.80-985,234.20-183,507.40

Finding the Fourth Proportional to 656,822.80, 985,234.20 and 183,507.40

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Solution

The fourth proportional to 656,822.80, 985,234.20 and 183,507.40 is: 275,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,822.80 : 985,234.20 = 183,507.40 : x
  2. Step 2: Convert to fraction form
    656,822.80/985,234.20 = 183,507.40/x
  3. Step 3: Cross multiply
    656,822.80x = 985,234.20 × 183,507.40
  4. Step 4: Simplify right side
    656,822.80x = 180,797,766,433.08
  5. Step 5: Solve for x
    x = 180,797,766,433.08/656,822.80
  6. Step 6: Final answer
    x = 275,261.10

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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.