Home / 746,572.80-1,119,859.20-447,974.40

Finding the Fourth Proportional to 746,572.80, 1,119,859.20 and 447,974.40

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Solution

The fourth proportional to 746,572.80, 1,119,859.20 and 447,974.40 is: 671,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,572.80 : 1,119,859.20 = 447,974.40 : x
  2. Step 2: Convert to fraction form
    746,572.80/1,119,859.20 = 447,974.40/x
  3. Step 3: Cross multiply
    746,572.80x = 1,119,859.20 × 447,974.40
  4. Step 4: Simplify right side
    746,572.80x = 501,668,253,204.48
  5. Step 5: Solve for x
    x = 501,668,253,204.48/746,572.80
  6. Step 6: Final answer
    x = 671,961.60

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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.