Home / 869,497.68-1,199,976.36-482,351.32

Finding the Fourth Proportional to 869,497.68, 1,199,976.36 and 482,351.32

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Solution

The fourth proportional to 869,497.68, 1,199,976.36 and 482,351.32 is: 665,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,497.68 : 1,199,976.36 = 482,351.32 : x
  2. Step 2: Convert to fraction form
    869,497.68/1,199,976.36 = 482,351.32/x
  3. Step 3: Cross multiply
    869,497.68x = 1,199,976.36 × 482,351.32
  4. Step 4: Simplify right side
    869,497.68x = 578,810,181,214.80
  5. Step 5: Solve for x
    x = 578,810,181,214.80/869,497.68
  6. Step 6: Final answer
    x = 665,683.41

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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.