Home / 1,257,374.88-1,886,043.89-310,745.57

Finding the Fourth Proportional to 1,257,374.88, 1,886,043.89 and 310,745.57

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Solution

The fourth proportional to 1,257,374.88, 1,886,043.89 and 310,745.57 is: 466,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,374.88 : 1,886,043.89 = 310,745.57 : x
  2. Step 2: Convert to fraction form
    1,257,374.88/1,886,043.89 = 310,745.57/x
  3. Step 3: Cross multiply
    1,257,374.88x = 1,886,043.89 × 310,745.57
  4. Step 4: Simplify right side
    1,257,374.88x = 586,079,772,659.12
  5. Step 5: Solve for x
    x = 586,079,772,659.12/1,257,374.88
  6. Step 6: Final answer
    x = 466,113.79

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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.