Home / 493,923.60-741,260.20-325,386.40

Finding the Fourth Proportional to 493,923.60, 741,260.20 and 325,386.40

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Solution

The fourth proportional to 493,923.60, 741,260.20 and 325,386.40 is: 488,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,923.60 : 741,260.20 = 325,386.40 : x
  2. Step 2: Convert to fraction form
    493,923.60/741,260.20 = 325,386.40/x
  3. Step 3: Cross multiply
    493,923.60x = 741,260.20 × 325,386.40
  4. Step 4: Simplify right side
    493,923.60x = 241,195,987,941.28
  5. Step 5: Solve for x
    x = 241,195,987,941.28/493,923.60
  6. Step 6: Final answer
    x = 488,326.51

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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.