Home / 554,556.80-831,835.33-155,256.38

Finding the Fourth Proportional to 554,556.80, 831,835.33 and 155,256.38

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Solution

The fourth proportional to 554,556.80, 831,835.33 and 155,256.38 is: 232,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,556.80 : 831,835.33 = 155,256.38 : x
  2. Step 2: Convert to fraction form
    554,556.80/831,835.33 = 155,256.38/x
  3. Step 3: Cross multiply
    554,556.80x = 831,835.33 × 155,256.38
  4. Step 4: Simplify right side
    554,556.80x = 129,147,743,783.35
  5. Step 5: Solve for x
    x = 129,147,743,783.35/554,556.80
  6. Step 6: Final answer
    x = 232,884.61

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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.