Home / 576,766.72-865,170.86-216,904.59

Finding the Fourth Proportional to 576,766.72, 865,170.86 and 216,904.59

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Solution

The fourth proportional to 576,766.72, 865,170.86 and 216,904.59 is: 325,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,766.72 : 865,170.86 = 216,904.59 : x
  2. Step 2: Convert to fraction form
    576,766.72/865,170.86 = 216,904.59/x
  3. Step 3: Cross multiply
    576,766.72x = 865,170.86 × 216,904.59
  4. Step 4: Simplify right side
    576,766.72x = 187,659,530,668.25
  5. Step 5: Solve for x
    x = 187,659,530,668.25/576,766.72
  6. Step 6: Final answer
    x = 325,364.70

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1.5x scale

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.