Home / 1,203,143.80-1,660,180.58-719,532.50

Finding the Fourth Proportional to 1,203,143.80, 1,660,180.58 and 719,532.50

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Solution

The fourth proportional to 1,203,143.80, 1,660,180.58 and 719,532.50 is: 992,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,143.80 : 1,660,180.58 = 719,532.50 : x
  2. Step 2: Convert to fraction form
    1,203,143.80/1,660,180.58 = 719,532.50/x
  3. Step 3: Cross multiply
    1,203,143.80x = 1,660,180.58 × 719,532.50
  4. Step 4: Simplify right side
    1,203,143.80x = 1,194,553,883,178.85
  5. Step 5: Solve for x
    x = 1,194,553,883,178.85/1,203,143.80
  6. Step 6: Final answer
    x = 992,860.44

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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.