Home / 2,784,539.28-4,176,812.58-762,801.15

Finding the Fourth Proportional to 2,784,539.28, 4,176,812.58 and 762,801.15

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Solution

The fourth proportional to 2,784,539.28, 4,176,812.58 and 762,801.15 is: 1,144,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,539.28 : 4,176,812.58 = 762,801.15 : x
  2. Step 2: Convert to fraction form
    2,784,539.28/4,176,812.58 = 762,801.15/x
  3. Step 3: Cross multiply
    2,784,539.28x = 4,176,812.58 × 762,801.15
  4. Step 4: Simplify right side
    2,784,539.28x = 3,186,077,439,358.47
  5. Step 5: Solve for x
    x = 3,186,077,439,358.47/2,784,539.28
  6. Step 6: Final answer
    x = 1,144,202.73

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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.