Home / 976,906.20-1,465,359.30-577,997.40

Finding the Fourth Proportional to 976,906.20, 1,465,359.30 and 577,997.40

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Solution

The fourth proportional to 976,906.20, 1,465,359.30 and 577,997.40 is: 866,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,906.20 : 1,465,359.30 = 577,997.40 : x
  2. Step 2: Convert to fraction form
    976,906.20/1,465,359.30 = 577,997.40/x
  3. Step 3: Cross multiply
    976,906.20x = 1,465,359.30 × 577,997.40
  4. Step 4: Simplify right side
    976,906.20x = 846,973,865,465.82
  5. Step 5: Solve for x
    x = 846,973,865,465.82/976,906.20
  6. Step 6: Final answer
    x = 866,996.10

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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.