Home / 693,149.80-1,039,724.70-693,149.80

Finding the Fourth Proportional to 693,149.80, 1,039,724.70 and 693,149.80

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Solution

The fourth proportional to 693,149.80, 1,039,724.70 and 693,149.80 is: 1,039,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,149.80 : 1,039,724.70 = 693,149.80 : x
  2. Step 2: Convert to fraction form
    693,149.80/1,039,724.70 = 693,149.80/x
  3. Step 3: Cross multiply
    693,149.80x = 1,039,724.70 × 693,149.80
  4. Step 4: Simplify right side
    693,149.80x = 720,684,967,860.06
  5. Step 5: Solve for x
    x = 720,684,967,860.06/693,149.80
  6. Step 6: Final answer
    x = 1,039,724.70

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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.