Home / 1,251,409.53-1,877,292.84-386,918.85

Finding the Fourth Proportional to 1,251,409.53, 1,877,292.84 and 386,918.85

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Solution

The fourth proportional to 1,251,409.53, 1,877,292.84 and 386,918.85 is: 580,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,409.53 : 1,877,292.84 = 386,918.85 : x
  2. Step 2: Convert to fraction form
    1,251,409.53/1,877,292.84 = 386,918.85/x
  3. Step 3: Cross multiply
    1,251,409.53x = 1,877,292.84 × 386,918.85
  4. Step 4: Simplify right side
    1,251,409.53x = 726,359,986,766.03
  5. Step 5: Solve for x
    x = 726,359,986,766.03/1,251,409.53
  6. Step 6: Final answer
    x = 580,433.48

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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.