Home / 1,995,674.67-2,995,643.31-858,999.87

Finding the Fourth Proportional to 1,995,674.67, 2,995,643.31 and 858,999.87

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Solution

The fourth proportional to 1,995,674.67, 2,995,643.31 and 858,999.87 is: 1,289,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,674.67 : 2,995,643.31 = 858,999.87 : x
  2. Step 2: Convert to fraction form
    1,995,674.67/2,995,643.31 = 858,999.87/x
  3. Step 3: Cross multiply
    1,995,674.67x = 2,995,643.31 × 858,999.87
  4. Step 4: Simplify right side
    1,995,674.67x = 2,573,257,213,856.37
  5. Step 5: Solve for x
    x = 2,573,257,213,856.37/1,995,674.67
  6. Step 6: Final answer
    x = 1,289,417.18

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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.