Home / 1,277,627.87-1,914,079.83-645,030.83

Finding the Fourth Proportional to 1,277,627.87, 1,914,079.83 and 645,030.83

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Solution

The fourth proportional to 1,277,627.87, 1,914,079.83 and 645,030.83 is: 966,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,627.87 : 1,914,079.83 = 645,030.83 : x
  2. Step 2: Convert to fraction form
    1,277,627.87/1,914,079.83 = 645,030.83/x
  3. Step 3: Cross multiply
    1,277,627.87x = 1,914,079.83 × 645,030.83
  4. Step 4: Simplify right side
    1,277,627.87x = 1,234,640,491,860.76
  5. Step 5: Solve for x
    x = 1,234,640,491,860.76/1,277,627.87
  6. Step 6: Final answer
    x = 966,353.76

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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.