Home / 526,189.68-726,184.80-296,735.04

Finding the Fourth Proportional to 526,189.68, 726,184.80 and 296,735.04

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Solution

The fourth proportional to 526,189.68, 726,184.80 and 296,735.04 is: 409,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,189.68 : 726,184.80 = 296,735.04 : x
  2. Step 2: Convert to fraction form
    526,189.68/726,184.80 = 296,735.04/x
  3. Step 3: Cross multiply
    526,189.68x = 726,184.80 × 296,735.04
  4. Step 4: Simplify right side
    526,189.68x = 215,484,475,675.39
  5. Step 5: Solve for x
    x = 215,484,475,675.39/526,189.68
  6. Step 6: Final answer
    x = 409,518.63

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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.