Home / 937,738.47-1,408,323.69-858,686.52

Finding the Fourth Proportional to 937,738.47, 1,408,323.69 and 858,686.52

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Solution

The fourth proportional to 937,738.47, 1,408,323.69 and 858,686.52 is: 1,289,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,738.47 : 1,408,323.69 = 858,686.52 : x
  2. Step 2: Convert to fraction form
    937,738.47/1,408,323.69 = 858,686.52/x
  3. Step 3: Cross multiply
    937,738.47x = 1,408,323.69 × 858,686.52
  4. Step 4: Simplify right side
    937,738.47x = 1,209,308,568,399.66
  5. Step 5: Solve for x
    x = 1,209,308,568,399.66/937,738.47
  6. Step 6: Final answer
    x = 1,289,601.11

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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.