Home / 1,349,059.43-1,861,891.88-858,872.34

Finding the Fourth Proportional to 1,349,059.43, 1,861,891.88 and 858,872.34

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Solution

The fourth proportional to 1,349,059.43, 1,861,891.88 and 858,872.34 is: 1,185,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,059.43 : 1,861,891.88 = 858,872.34 : x
  2. Step 2: Convert to fraction form
    1,349,059.43/1,861,891.88 = 858,872.34/x
  3. Step 3: Cross multiply
    1,349,059.43x = 1,861,891.88 × 858,872.34
  4. Step 4: Simplify right side
    1,349,059.43x = 1,599,127,431,508.24
  5. Step 5: Solve for x
    x = 1,599,127,431,508.24/1,349,059.43
  6. Step 6: Final answer
    x = 1,185,364.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.