Home / 325,819.60-488,729.40-314,933.20

Finding the Fourth Proportional to 325,819.60, 488,729.40 and 314,933.20

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Solution

The fourth proportional to 325,819.60, 488,729.40 and 314,933.20 is: 472,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,819.60 : 488,729.40 = 314,933.20 : x
  2. Step 2: Convert to fraction form
    325,819.60/488,729.40 = 314,933.20/x
  3. Step 3: Cross multiply
    325,819.60x = 488,729.40 × 314,933.20
  4. Step 4: Simplify right side
    325,819.60x = 153,917,113,876.08
  5. Step 5: Solve for x
    x = 153,917,113,876.08/325,819.60
  6. Step 6: Final answer
    x = 472,399.80

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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.