Home / 372,455.44-513,973.20-202,690.24

Finding the Fourth Proportional to 372,455.44, 513,973.20 and 202,690.24

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Solution

The fourth proportional to 372,455.44, 513,973.20 and 202,690.24 is: 279,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,455.44 : 513,973.20 = 202,690.24 : x
  2. Step 2: Convert to fraction form
    372,455.44/513,973.20 = 202,690.24/x
  3. Step 3: Cross multiply
    372,455.44x = 513,973.20 × 202,690.24
  4. Step 4: Simplify right side
    372,455.44x = 104,177,351,261.57
  5. Step 5: Solve for x
    x = 104,177,351,261.57/372,455.44
  6. Step 6: Final answer
    x = 279,704.20

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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.