Home / 1,217,587.20-1,826,380.80-319,027.20

Finding the Fourth Proportional to 1,217,587.20, 1,826,380.80 and 319,027.20

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Solution

The fourth proportional to 1,217,587.20, 1,826,380.80 and 319,027.20 is: 478,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,587.20 : 1,826,380.80 = 319,027.20 : x
  2. Step 2: Convert to fraction form
    1,217,587.20/1,826,380.80 = 319,027.20/x
  3. Step 3: Cross multiply
    1,217,587.20x = 1,826,380.80 × 319,027.20
  4. Step 4: Simplify right side
    1,217,587.20x = 582,665,152,757.76
  5. Step 5: Solve for x
    x = 582,665,152,757.76/1,217,587.20
  6. Step 6: Final answer
    x = 478,540.80

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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.