Home / 352,301.20-528,451.80-325,344.40

Finding the Fourth Proportional to 352,301.20, 528,451.80 and 325,344.40

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Solution

The fourth proportional to 352,301.20, 528,451.80 and 325,344.40 is: 488,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,301.20 : 528,451.80 = 325,344.40 : x
  2. Step 2: Convert to fraction form
    352,301.20/528,451.80 = 325,344.40/x
  3. Step 3: Cross multiply
    352,301.20x = 528,451.80 × 325,344.40
  4. Step 4: Simplify right side
    352,301.20x = 171,928,833,799.92
  5. Step 5: Solve for x
    x = 171,928,833,799.92/352,301.20
  6. Step 6: Final answer
    x = 488,016.60

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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.