Home / 2,520,649.71-3,780,955.13-627,378.39

Finding the Fourth Proportional to 2,520,649.71, 3,780,955.13 and 627,378.39

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Solution

The fourth proportional to 2,520,649.71, 3,780,955.13 and 627,378.39 is: 941,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,649.71 : 3,780,955.13 = 627,378.39 : x
  2. Step 2: Convert to fraction form
    2,520,649.71/3,780,955.13 = 627,378.39/x
  3. Step 3: Cross multiply
    2,520,649.71x = 3,780,955.13 × 627,378.39
  4. Step 4: Simplify right side
    2,520,649.71x = 2,372,089,538,984.75
  5. Step 5: Solve for x
    x = 2,372,089,538,984.75/2,520,649.71
  6. Step 6: Final answer
    x = 941,062.75

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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.