Home / 1,439,371.92-1,985,615.82-858,185.16

Finding the Fourth Proportional to 1,439,371.92, 1,985,615.82 and 858,185.16

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Solution

The fourth proportional to 1,439,371.92, 1,985,615.82 and 858,185.16 is: 1,183,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,371.92 : 1,985,615.82 = 858,185.16 : x
  2. Step 2: Convert to fraction form
    1,439,371.92/1,985,615.82 = 858,185.16/x
  3. Step 3: Cross multiply
    1,439,371.92x = 1,985,615.82 × 858,185.16
  4. Step 4: Simplify right side
    1,439,371.92x = 1,704,026,030,185.23
  5. Step 5: Solve for x
    x = 1,704,026,030,185.23/1,439,371.92
  6. Step 6: Final answer
    x = 1,183,867.77

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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.