Home / 825,640.92-1,238,584.50-293,117.36

Finding the Fourth Proportional to 825,640.92, 1,238,584.50 and 293,117.36

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Solution

The fourth proportional to 825,640.92, 1,238,584.50 and 293,117.36 is: 439,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,640.92 : 1,238,584.50 = 293,117.36 : x
  2. Step 2: Convert to fraction form
    825,640.92/1,238,584.50 = 293,117.36/x
  3. Step 3: Cross multiply
    825,640.92x = 1,238,584.50 × 293,117.36
  4. Step 4: Simplify right side
    825,640.92x = 363,050,612,584.00
  5. Step 5: Solve for x
    x = 363,050,612,584.00/825,640.92
  6. Step 6: Final answer
    x = 439,719.74

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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.