Home / 459,992.20-634,789.17-256,038.73

Finding the Fourth Proportional to 459,992.20, 634,789.17 and 256,038.73

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Solution

The fourth proportional to 459,992.20, 634,789.17 and 256,038.73 is: 353,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,992.20 : 634,789.17 = 256,038.73 : x
  2. Step 2: Convert to fraction form
    459,992.20/634,789.17 = 256,038.73/x
  3. Step 3: Cross multiply
    459,992.20x = 634,789.17 × 256,038.73
  4. Step 4: Simplify right side
    459,992.20x = 162,530,612,904.55
  5. Step 5: Solve for x
    x = 162,530,612,904.55/459,992.20
  6. Step 6: Final answer
    x = 353,333.41

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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.