Home / 587,856.75-811,248.80-319,584.75

Finding the Fourth Proportional to 587,856.75, 811,248.80 and 319,584.75

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Solution

The fourth proportional to 587,856.75, 811,248.80 and 319,584.75 is: 441,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,856.75 : 811,248.80 = 319,584.75 : x
  2. Step 2: Convert to fraction form
    587,856.75/811,248.80 = 319,584.75/x
  3. Step 3: Cross multiply
    587,856.75x = 811,248.80 × 319,584.75
  4. Step 4: Simplify right side
    587,856.75x = 259,262,744,935.80
  5. Step 5: Solve for x
    x = 259,262,744,935.80/587,856.75
  6. Step 6: Final answer
    x = 441,030.48

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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.