Home / 1,439,267.25-1,985,472.06-858,081.23

Finding the Fourth Proportional to 1,439,267.25, 1,985,472.06 and 858,081.23

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Solution

The fourth proportional to 1,439,267.25, 1,985,472.06 and 858,081.23 is: 1,183,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,267.25 : 1,985,472.06 = 858,081.23 : x
  2. Step 2: Convert to fraction form
    1,439,267.25/1,985,472.06 = 858,081.23/x
  3. Step 3: Cross multiply
    1,439,267.25x = 1,985,472.06 × 858,081.23
  4. Step 4: Simplify right side
    1,439,267.25x = 1,703,696,300,266.55
  5. Step 5: Solve for x
    x = 1,703,696,300,266.55/1,439,267.25
  6. Step 6: Final answer
    x = 1,183,724.77

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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.