Home / 722,576.34-1,083,920.64-217,097.88

Finding the Fourth Proportional to 722,576.34, 1,083,920.64 and 217,097.88

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Solution

The fourth proportional to 722,576.34, 1,083,920.64 and 217,097.88 is: 325,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,576.34 : 1,083,920.64 = 217,097.88 : x
  2. Step 2: Convert to fraction form
    722,576.34/1,083,920.64 = 217,097.88/x
  3. Step 3: Cross multiply
    722,576.34x = 1,083,920.64 × 217,097.88
  4. Step 4: Simplify right side
    722,576.34x = 235,316,873,032.24
  5. Step 5: Solve for x
    x = 235,316,873,032.24/722,576.34
  6. Step 6: Final answer
    x = 325,663.68

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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.