Home / 843,161.78-1,163,538.60-461,180.36

Finding the Fourth Proportional to 843,161.78, 1,163,538.60 and 461,180.36

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Solution

The fourth proportional to 843,161.78, 1,163,538.60 and 461,180.36 is: 636,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,161.78 : 1,163,538.60 = 461,180.36 : x
  2. Step 2: Convert to fraction form
    843,161.78/1,163,538.60 = 461,180.36/x
  3. Step 3: Cross multiply
    843,161.78x = 1,163,538.60 × 461,180.36
  4. Step 4: Simplify right side
    843,161.78x = 536,601,150,421.90
  5. Step 5: Solve for x
    x = 536,601,150,421.90/843,161.78
  6. Step 6: Final answer
    x = 636,415.41

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1.5x scale

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.