Home / 576,890.30-865,336.12-150,425.75

Finding the Fourth Proportional to 576,890.30, 865,336.12 and 150,425.75

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Solution

The fourth proportional to 576,890.30, 865,336.12 and 150,425.75 is: 225,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,890.30 : 865,336.12 = 150,425.75 : x
  2. Step 2: Convert to fraction form
    576,890.30/865,336.12 = 150,425.75/x
  3. Step 3: Cross multiply
    576,890.30x = 865,336.12 × 150,425.75
  4. Step 4: Simplify right side
    576,890.30x = 130,168,836,640.37
  5. Step 5: Solve for x
    x = 130,168,836,640.37/576,890.30
  6. Step 6: Final answer
    x = 225,638.80

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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.