Home / 376,531.20-519,811.20-233,222.40

Finding the Fourth Proportional to 376,531.20, 519,811.20 and 233,222.40

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Solution

The fourth proportional to 376,531.20, 519,811.20 and 233,222.40 is: 321,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,531.20 : 519,811.20 = 233,222.40 : x
  2. Step 2: Convert to fraction form
    376,531.20/519,811.20 = 233,222.40/x
  3. Step 3: Cross multiply
    376,531.20x = 519,811.20 × 233,222.40
  4. Step 4: Simplify right side
    376,531.20x = 121,231,615,610.88
  5. Step 5: Solve for x
    x = 121,231,615,610.88/376,531.20
  6. Step 6: Final answer
    x = 321,969.64

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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.