Home / 381,191.04-526,035.60-211,421.52

Finding the Fourth Proportional to 381,191.04, 526,035.60 and 211,421.52

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Solution

The fourth proportional to 381,191.04, 526,035.60 and 211,421.52 is: 291,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,191.04 : 526,035.60 = 211,421.52 : x
  2. Step 2: Convert to fraction form
    381,191.04/526,035.60 = 211,421.52/x
  3. Step 3: Cross multiply
    381,191.04x = 526,035.60 × 211,421.52
  4. Step 4: Simplify right side
    381,191.04x = 111,215,246,126.11
  5. Step 5: Solve for x
    x = 111,215,246,126.11/381,191.04
  6. Step 6: Final answer
    x = 291,757.24

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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.