Home / 554,372.98-764,977.62-409,255.96

Finding the Fourth Proportional to 554,372.98, 764,977.62 and 409,255.96

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Solution

The fourth proportional to 554,372.98, 764,977.62 and 409,255.96 is: 564,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,372.98 : 764,977.62 = 409,255.96 : x
  2. Step 2: Convert to fraction form
    554,372.98/764,977.62 = 409,255.96/x
  3. Step 3: Cross multiply
    554,372.98x = 764,977.62 × 409,255.96
  4. Step 4: Simplify right side
    554,372.98x = 313,071,650,251.62
  5. Step 5: Solve for x
    x = 313,071,650,251.62/554,372.98
  6. Step 6: Final answer
    x = 564,731.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.