Home / 622,766.10-859,577.53-405,517.02

Finding the Fourth Proportional to 622,766.10, 859,577.53 and 405,517.02

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Solution

The fourth proportional to 622,766.10, 859,577.53 and 405,517.02 is: 559,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,766.10 : 859,577.53 = 405,517.02 : x
  2. Step 2: Convert to fraction form
    622,766.10/859,577.53 = 405,517.02/x
  3. Step 3: Cross multiply
    622,766.10x = 859,577.53 × 405,517.02
  4. Step 4: Simplify right side
    622,766.10x = 348,573,318,424.56
  5. Step 5: Solve for x
    x = 348,573,318,424.56/622,766.10
  6. Step 6: Final answer
    x = 559,717.88

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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.