Home / 587,856.07-811,237.57-319,584.07

Finding the Fourth Proportional to 587,856.07, 811,237.57 and 319,584.07

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Solution

The fourth proportional to 587,856.07, 811,237.57 and 319,584.07 is: 441,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,856.07 : 811,237.57 = 319,584.07 : x
  2. Step 2: Convert to fraction form
    587,856.07/811,237.57 = 319,584.07/x
  3. Step 3: Cross multiply
    587,856.07x = 811,237.57 × 319,584.07
  4. Step 4: Simplify right side
    587,856.07x = 259,258,604,357.51
  5. Step 5: Solve for x
    x = 259,258,604,357.51/587,856.07
  6. Step 6: Final answer
    x = 441,023.95

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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.