Home / 526,919.95-790,376.68-171,934.21

Finding the Fourth Proportional to 526,919.95, 790,376.68 and 171,934.21

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Solution

The fourth proportional to 526,919.95, 790,376.68 and 171,934.21 is: 257,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,919.95 : 790,376.68 = 171,934.21 : x
  2. Step 2: Convert to fraction form
    526,919.95/790,376.68 = 171,934.21/x
  3. Step 3: Cross multiply
    526,919.95x = 790,376.68 × 171,934.21
  4. Step 4: Simplify right side
    526,919.95x = 135,892,790,078.22
  5. Step 5: Solve for x
    x = 135,892,790,078.22/526,919.95
  6. Step 6: Final answer
    x = 257,900.26

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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.