Home / 672,062.90-1,008,094.35-336,139.70

Finding the Fourth Proportional to 672,062.90, 1,008,094.35 and 336,139.70

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Solution

The fourth proportional to 672,062.90, 1,008,094.35 and 336,139.70 is: 504,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,062.90 : 1,008,094.35 = 336,139.70 : x
  2. Step 2: Convert to fraction form
    672,062.90/1,008,094.35 = 336,139.70/x
  3. Step 3: Cross multiply
    672,062.90x = 1,008,094.35 × 336,139.70
  4. Step 4: Simplify right side
    672,062.90x = 338,860,532,380.70
  5. Step 5: Solve for x
    x = 338,860,532,380.70/672,062.90
  6. Step 6: Final answer
    x = 504,209.55

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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.