Home / 813,132.07-1,122,091.99-468,982.41

Finding the Fourth Proportional to 813,132.07, 1,122,091.99 and 468,982.41

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Solution

The fourth proportional to 813,132.07, 1,122,091.99 and 468,982.41 is: 647,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,132.07 : 1,122,091.99 = 468,982.41 : x
  2. Step 2: Convert to fraction form
    813,132.07/1,122,091.99 = 468,982.41/x
  3. Step 3: Cross multiply
    813,132.07x = 1,122,091.99 × 468,982.41
  4. Step 4: Simplify right side
    813,132.07x = 526,241,400,331.60
  5. Step 5: Solve for x
    x = 526,241,400,331.60/813,132.07
  6. Step 6: Final answer
    x = 647,178.26

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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.