Home / 946,257.17-1,305,809.78-870,083.96

Finding the Fourth Proportional to 946,257.17, 1,305,809.78 and 870,083.96

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Solution

The fourth proportional to 946,257.17, 1,305,809.78 and 870,083.96 is: 1,200,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,257.17 : 1,305,809.78 = 870,083.96 : x
  2. Step 2: Convert to fraction form
    946,257.17/1,305,809.78 = 870,083.96/x
  3. Step 3: Cross multiply
    946,257.17x = 1,305,809.78 × 870,083.96
  4. Step 4: Simplify right side
    946,257.17x = 1,136,164,133,509.66
  5. Step 5: Solve for x
    x = 1,136,164,133,509.66/946,257.17
  6. Step 6: Final answer
    x = 1,200,692.77

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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.