Home / 976,909.20-1,465,363.80-724,966.80

Finding the Fourth Proportional to 976,909.20, 1,465,363.80 and 724,966.80

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Solution

The fourth proportional to 976,909.20, 1,465,363.80 and 724,966.80 is: 1,087,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,909.20 : 1,465,363.80 = 724,966.80 : x
  2. Step 2: Convert to fraction form
    976,909.20/1,465,363.80 = 724,966.80/x
  3. Step 3: Cross multiply
    976,909.20x = 1,465,363.80 × 724,966.80
  4. Step 4: Simplify right side
    976,909.20x = 1,062,340,104,921.84
  5. Step 5: Solve for x
    x = 1,062,340,104,921.84/976,909.20
  6. Step 6: Final answer
    x = 1,087,450.20

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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.