Home / 1,285,876.26-1,925,030.62-858,351.66

Finding the Fourth Proportional to 1,285,876.26, 1,925,030.62 and 858,351.66

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Solution

The fourth proportional to 1,285,876.26, 1,925,030.62 and 858,351.66 is: 1,285,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,876.26 : 1,925,030.62 = 858,351.66 : x
  2. Step 2: Convert to fraction form
    1,285,876.26/1,925,030.62 = 858,351.66/x
  3. Step 3: Cross multiply
    1,285,876.26x = 1,925,030.62 × 858,351.66
  4. Step 4: Simplify right side
    1,285,876.26x = 1,652,353,228,227.83
  5. Step 5: Solve for x
    x = 1,652,353,228,227.83/1,285,876.26
  6. Step 6: Final answer
    x = 1,285,001.74

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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.