Home / 567,215.40-851,151.15-212,265.30

Finding the Fourth Proportional to 567,215.40, 851,151.15 and 212,265.30

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Solution

The fourth proportional to 567,215.40, 851,151.15 and 212,265.30 is: 318,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,215.40 : 851,151.15 = 212,265.30 : x
  2. Step 2: Convert to fraction form
    567,215.40/851,151.15 = 212,265.30/x
  3. Step 3: Cross multiply
    567,215.40x = 851,151.15 × 212,265.30
  4. Step 4: Simplify right side
    567,215.40x = 180,669,854,200.10
  5. Step 5: Solve for x
    x = 180,669,854,200.10/567,215.40
  6. Step 6: Final answer
    x = 318,520.71

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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.