Home / 526,128.84-726,128.91-296,733.24

Finding the Fourth Proportional to 526,128.84, 726,128.91 and 296,733.24

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Solution

The fourth proportional to 526,128.84, 726,128.91 and 296,733.24 is: 409,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,128.84 : 726,128.91 = 296,733.24 : x
  2. Step 2: Convert to fraction form
    526,128.84/726,128.91 = 296,733.24/x
  3. Step 3: Cross multiply
    526,128.84x = 726,128.91 × 296,733.24
  4. Step 4: Simplify right side
    526,128.84x = 215,466,584,121.97
  5. Step 5: Solve for x
    x = 215,466,584,121.97/526,128.84
  6. Step 6: Final answer
    x = 409,531.98

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1.5x scale

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.