Home / 1,227,942.48-1,841,823.81-386,734.80

Finding the Fourth Proportional to 1,227,942.48, 1,841,823.81 and 386,734.80

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Solution

The fourth proportional to 1,227,942.48, 1,841,823.81 and 386,734.80 is: 580,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,942.48 : 1,841,823.81 = 386,734.80 : x
  2. Step 2: Convert to fraction form
    1,227,942.48/1,841,823.81 = 386,734.80/x
  3. Step 3: Cross multiply
    1,227,942.48x = 1,841,823.81 × 386,734.80
  4. Step 4: Simplify right side
    1,227,942.48x = 712,297,362,795.59
  5. Step 5: Solve for x
    x = 712,297,362,795.59/1,227,942.48
  6. Step 6: Final answer
    x = 580,073.88

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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.