Home / 576,577.28-864,865.84-419,803.36

Finding the Fourth Proportional to 576,577.28, 864,865.84 and 419,803.36

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Solution

The fourth proportional to 576,577.28, 864,865.84 and 419,803.36 is: 629,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,577.28 : 864,865.84 = 419,803.36 : x
  2. Step 2: Convert to fraction form
    576,577.28/864,865.84 = 419,803.36/x
  3. Step 3: Cross multiply
    576,577.28x = 864,865.84 × 419,803.36
  4. Step 4: Simplify right side
    576,577.28x = 363,073,585,581.22
  5. Step 5: Solve for x
    x = 363,073,585,581.22/576,577.28
  6. Step 6: Final answer
    x = 629,704.98

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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.