Home / 1,265,876.56-1,746,910.20-692,920

Finding the Fourth Proportional to 1,265,876.56, 1,746,910.20 and 692,920

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Solution

The fourth proportional to 1,265,876.56, 1,746,910.20 and 692,920 is: 956,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,876.56 : 1,746,910.20 = 692,920 : x
  2. Step 2: Convert to fraction form
    1,265,876.56/1,746,910.20 = 692,920/x
  3. Step 3: Cross multiply
    1,265,876.56x = 1,746,910.20 × 692,920
  4. Step 4: Simplify right side
    1,265,876.56x = 1,210,469,015,784
  5. Step 5: Solve for x
    x = 1,210,469,015,784/1,265,876.56
  6. Step 6: Final answer
    x = 956,229.90

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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.