Home / 557,768.20-836,652.30-183,742.60

Finding the Fourth Proportional to 557,768.20, 836,652.30 and 183,742.60

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Solution

The fourth proportional to 557,768.20, 836,652.30 and 183,742.60 is: 275,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,768.20 : 836,652.30 = 183,742.60 : x
  2. Step 2: Convert to fraction form
    557,768.20/836,652.30 = 183,742.60/x
  3. Step 3: Cross multiply
    557,768.20x = 836,652.30 × 183,742.60
  4. Step 4: Simplify right side
    557,768.20x = 153,728,668,897.98
  5. Step 5: Solve for x
    x = 153,728,668,897.98/557,768.20
  6. Step 6: Final answer
    x = 275,613.90

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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.