Home / 1,139,232.15-1,707,353.37-838,303.65

Finding the Fourth Proportional to 1,139,232.15, 1,707,353.37 and 838,303.65

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Solution

The fourth proportional to 1,139,232.15, 1,707,353.37 and 838,303.65 is: 1,256,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,232.15 : 1,707,353.37 = 838,303.65 : x
  2. Step 2: Convert to fraction form
    1,139,232.15/1,707,353.37 = 838,303.65/x
  3. Step 3: Cross multiply
    1,139,232.15x = 1,707,353.37 × 838,303.65
  4. Step 4: Simplify right side
    1,139,232.15x = 1,431,280,561,910.80
  5. Step 5: Solve for x
    x = 1,431,280,561,910.80/1,139,232.15
  6. Step 6: Final answer
    x = 1,256,355.49

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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.