Home / 1,242,638.37-1,863,954.42-344,077.11

Finding the Fourth Proportional to 1,242,638.37, 1,863,954.42 and 344,077.11

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Solution

The fourth proportional to 1,242,638.37, 1,863,954.42 and 344,077.11 is: 516,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,638.37 : 1,863,954.42 = 344,077.11 : x
  2. Step 2: Convert to fraction form
    1,242,638.37/1,863,954.42 = 344,077.11/x
  3. Step 3: Cross multiply
    1,242,638.37x = 1,863,954.42 × 344,077.11
  4. Step 4: Simplify right side
    1,242,638.37x = 641,344,050,005.33
  5. Step 5: Solve for x
    x = 641,344,050,005.33/1,242,638.37
  6. Step 6: Final answer
    x = 516,114.80

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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.