Home / 622,776.10-859,494.52-381,218.31

Finding the Fourth Proportional to 622,776.10, 859,494.52 and 381,218.31

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Solution

The fourth proportional to 622,776.10, 859,494.52 and 381,218.31 is: 526,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,776.10 : 859,494.52 = 381,218.31 : x
  2. Step 2: Convert to fraction form
    622,776.10/859,494.52 = 381,218.31/x
  3. Step 3: Cross multiply
    622,776.10x = 859,494.52 × 381,218.31
  4. Step 4: Simplify right side
    622,776.10x = 327,655,042,165.10
  5. Step 5: Solve for x
    x = 327,655,042,165.10/622,776.10
  6. Step 6: Final answer
    x = 526,120.13

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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.