Home / 325,537.60-487,528.80-199,566.40

Finding the Fourth Proportional to 325,537.60, 487,528.80 and 199,566.40

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Solution

The fourth proportional to 325,537.60, 487,528.80 and 199,566.40 is: 298,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,537.60 : 487,528.80 = 199,566.40 : x
  2. Step 2: Convert to fraction form
    325,537.60/487,528.80 = 199,566.40/x
  3. Step 3: Cross multiply
    325,537.60x = 487,528.80 × 199,566.40
  4. Step 4: Simplify right side
    325,537.60x = 97,294,367,512.32
  5. Step 5: Solve for x
    x = 97,294,367,512.32/325,537.60
  6. Step 6: Final answer
    x = 298,872.90

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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.