Home / 634,478.08-875,789.12-567,217.58

Finding the Fourth Proportional to 634,478.08, 875,789.12 and 567,217.58

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Solution

The fourth proportional to 634,478.08, 875,789.12 and 567,217.58 is: 782,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,478.08 : 875,789.12 = 567,217.58 : x
  2. Step 2: Convert to fraction form
    634,478.08/875,789.12 = 567,217.58/x
  3. Step 3: Cross multiply
    634,478.08x = 875,789.12 × 567,217.58
  4. Step 4: Simplify right side
    634,478.08x = 496,762,985,236.73
  5. Step 5: Solve for x
    x = 496,762,985,236.73/634,478.08
  6. Step 6: Final answer
    x = 782,947.43

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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.