Home / 1,397,763.44-2,097,614.52-639,697.52

Finding the Fourth Proportional to 1,397,763.44, 2,097,614.52 and 639,697.52

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Solution

The fourth proportional to 1,397,763.44, 2,097,614.52 and 639,697.52 is: 959,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,763.44 : 2,097,614.52 = 639,697.52 : x
  2. Step 2: Convert to fraction form
    1,397,763.44/2,097,614.52 = 639,697.52/x
  3. Step 3: Cross multiply
    1,397,763.44x = 2,097,614.52 × 639,697.52
  4. Step 4: Simplify right side
    1,397,763.44x = 1,341,838,806,359.99
  5. Step 5: Solve for x
    x = 1,341,838,806,359.99/1,397,763.44
  6. Step 6: Final answer
    x = 959,989.92

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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.