Home / 1,241,501.25-1,861,247.37-388,133.85

Finding the Fourth Proportional to 1,241,501.25, 1,861,247.37 and 388,133.85

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Solution

The fourth proportional to 1,241,501.25, 1,861,247.37 and 388,133.85 is: 581,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,501.25 : 1,861,247.37 = 388,133.85 : x
  2. Step 2: Convert to fraction form
    1,241,501.25/1,861,247.37 = 388,133.85/x
  3. Step 3: Cross multiply
    1,241,501.25x = 1,861,247.37 × 388,133.85
  4. Step 4: Simplify right side
    1,241,501.25x = 722,413,107,520.48
  5. Step 5: Solve for x
    x = 722,413,107,520.48/1,241,501.25
  6. Step 6: Final answer
    x = 581,886.73

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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.