Home / 752,092.80-1,129,140.32-436,776

Finding the Fourth Proportional to 752,092.80, 1,129,140.32 and 436,776

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Solution

The fourth proportional to 752,092.80, 1,129,140.32 and 436,776 is: 655,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,092.80 : 1,129,140.32 = 436,776 : x
  2. Step 2: Convert to fraction form
    752,092.80/1,129,140.32 = 436,776/x
  3. Step 3: Cross multiply
    752,092.80x = 1,129,140.32 × 436,776
  4. Step 4: Simplify right side
    752,092.80x = 493,181,392,408.32
  5. Step 5: Solve for x
    x = 493,181,392,408.32/752,092.80
  6. Step 6: Final answer
    x = 655,745.40

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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.