Home / 976,016.80-1,464,265.20-336,330.40

Finding the Fourth Proportional to 976,016.80, 1,464,265.20 and 336,330.40

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Solution

The fourth proportional to 976,016.80, 1,464,265.20 and 336,330.40 is: 504,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,016.80 : 1,464,265.20 = 336,330.40 : x
  2. Step 2: Convert to fraction form
    976,016.80/1,464,265.20 = 336,330.40/x
  3. Step 3: Cross multiply
    976,016.80x = 1,464,265.20 × 336,330.40
  4. Step 4: Simplify right side
    976,016.80x = 492,476,900,422.08
  5. Step 5: Solve for x
    x = 492,476,900,422.08/976,016.80
  6. Step 6: Final answer
    x = 504,578.30

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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.