Home / 554,556.30-831,834.58-155,255.88

Finding the Fourth Proportional to 554,556.30, 831,834.58 and 155,255.88

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Solution

The fourth proportional to 554,556.30, 831,834.58 and 155,255.88 is: 232,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,556.30 : 831,834.58 = 155,255.88 : x
  2. Step 2: Convert to fraction form
    554,556.30/831,834.58 = 155,255.88/x
  3. Step 3: Cross multiply
    554,556.30x = 831,834.58 × 155,255.88
  4. Step 4: Simplify right side
    554,556.30x = 129,147,209,732.33
  5. Step 5: Solve for x
    x = 129,147,209,732.33/554,556.30
  6. Step 6: Final answer
    x = 232,883.86

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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.