Home / 552,738.57-827,779.23-315,361.59

Finding the Fourth Proportional to 552,738.57, 827,779.23 and 315,361.59

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Solution

The fourth proportional to 552,738.57, 827,779.23 and 315,361.59 is: 472,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,738.57 : 827,779.23 = 315,361.59 : x
  2. Step 2: Convert to fraction form
    552,738.57/827,779.23 = 315,361.59/x
  3. Step 3: Cross multiply
    552,738.57x = 827,779.23 × 315,361.59
  4. Step 4: Simplify right side
    552,738.57x = 261,049,774,141.78
  5. Step 5: Solve for x
    x = 261,049,774,141.78/552,738.57
  6. Step 6: Final answer
    x = 472,284.35

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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.