Home / 1,231,616.48-1,845,990.48-521,408.48

Finding the Fourth Proportional to 1,231,616.48, 1,845,990.48 and 521,408.48

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Solution

The fourth proportional to 1,231,616.48, 1,845,990.48 and 521,408.48 is: 781,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,616.48 : 1,845,990.48 = 521,408.48 : x
  2. Step 2: Convert to fraction form
    1,231,616.48/1,845,990.48 = 521,408.48/x
  3. Step 3: Cross multiply
    1,231,616.48x = 1,845,990.48 × 521,408.48
  4. Step 4: Simplify right side
    1,231,616.48x = 962,515,090,271.27
  5. Step 5: Solve for x
    x = 962,515,090,271.27/1,231,616.48
  6. Step 6: Final answer
    x = 781,505.53

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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.