Home / 325,823.20-488,734.80-302,203.60

Finding the Fourth Proportional to 325,823.20, 488,734.80 and 302,203.60

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Solution

The fourth proportional to 325,823.20, 488,734.80 and 302,203.60 is: 453,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,823.20 : 488,734.80 = 302,203.60 : x
  2. Step 2: Convert to fraction form
    325,823.20/488,734.80 = 302,203.60/x
  3. Step 3: Cross multiply
    325,823.20x = 488,734.80 × 302,203.60
  4. Step 4: Simplify right side
    325,823.20x = 147,697,416,005.28
  5. Step 5: Solve for x
    x = 147,697,416,005.28/325,823.20
  6. Step 6: Final answer
    x = 453,305.40

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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.