Home / 672,030.90-1,008,046.35-336,107.70

Finding the Fourth Proportional to 672,030.90, 1,008,046.35 and 336,107.70

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Solution

The fourth proportional to 672,030.90, 1,008,046.35 and 336,107.70 is: 504,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,030.90 : 1,008,046.35 = 336,107.70 : x
  2. Step 2: Convert to fraction form
    672,030.90/1,008,046.35 = 336,107.70/x
  3. Step 3: Cross multiply
    672,030.90x = 1,008,046.35 × 336,107.70
  4. Step 4: Simplify right side
    672,030.90x = 338,812,140,191.90
  5. Step 5: Solve for x
    x = 338,812,140,191.90/672,030.90
  6. Step 6: Final answer
    x = 504,161.55

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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.