Home / 526,811.20-790,214.64-211,042.24

Finding the Fourth Proportional to 526,811.20, 790,214.64 and 211,042.24

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Solution

The fourth proportional to 526,811.20, 790,214.64 and 211,042.24 is: 316,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,811.20 : 790,214.64 = 211,042.24 : x
  2. Step 2: Convert to fraction form
    526,811.20/790,214.64 = 211,042.24/x
  3. Step 3: Cross multiply
    526,811.20x = 790,214.64 × 211,042.24
  4. Step 4: Simplify right side
    526,811.20x = 166,768,667,706.39
  5. Step 5: Solve for x
    x = 166,768,667,706.39/526,811.20
  6. Step 6: Final answer
    x = 316,562.49

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Similar ratio
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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.