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Finding the Fourth Proportional to 976,998.80, 1,464,331.80 and 503,440.40

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Solution

The fourth proportional to 976,998.80, 1,464,331.80 and 503,440.40 is: 754,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,998.80 : 1,464,331.80 = 503,440.40 : x
  2. Step 2: Convert to fraction form
    976,998.80/1,464,331.80 = 503,440.40/x
  3. Step 3: Cross multiply
    976,998.80x = 1,464,331.80 × 503,440.40
  4. Step 4: Simplify right side
    976,998.80x = 737,203,787,124.72
  5. Step 5: Solve for x
    x = 737,203,787,124.72/976,998.80
  6. Step 6: Final answer
    x = 754,559.56

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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.