Home / 325,835.20-488,752.80-302,215.60

Finding the Fourth Proportional to 325,835.20, 488,752.80 and 302,215.60

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Solution

The fourth proportional to 325,835.20, 488,752.80 and 302,215.60 is: 453,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835.20 : 488,752.80 = 302,215.60 : x
  2. Step 2: Convert to fraction form
    325,835.20/488,752.80 = 302,215.60/x
  3. Step 3: Cross multiply
    325,835.20x = 488,752.80 × 302,215.60
  4. Step 4: Simplify right side
    325,835.20x = 147,708,720,703.68
  5. Step 5: Solve for x
    x = 147,708,720,703.68/325,835.20
  6. Step 6: Final answer
    x = 453,323.40

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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.