Home / 353,853.60-488,418.32-233,083.04

Finding the Fourth Proportional to 353,853.60, 488,418.32 and 233,083.04

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Solution

The fourth proportional to 353,853.60, 488,418.32 and 233,083.04 is: 321,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,853.60 : 488,418.32 = 233,083.04 : x
  2. Step 2: Convert to fraction form
    353,853.60/488,418.32 = 233,083.04/x
  3. Step 3: Cross multiply
    353,853.60x = 488,418.32 × 233,083.04
  4. Step 4: Simplify right side
    353,853.60x = 113,842,026,817.29
  5. Step 5: Solve for x
    x = 113,842,026,817.29/353,853.60
  6. Step 6: Final answer
    x = 321,720.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.