Home / 1,203,934.71-1,661,366.32-687,586.44

Finding the Fourth Proportional to 1,203,934.71, 1,661,366.32 and 687,586.44

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Solution

The fourth proportional to 1,203,934.71, 1,661,366.32 and 687,586.44 is: 948,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,934.71 : 1,661,366.32 = 687,586.44 : x
  2. Step 2: Convert to fraction form
    1,203,934.71/1,661,366.32 = 687,586.44/x
  3. Step 3: Cross multiply
    1,203,934.71x = 1,661,366.32 × 687,586.44
  4. Step 4: Simplify right side
    1,203,934.71x = 1,142,332,953,504.70
  5. Step 5: Solve for x
    x = 1,142,332,953,504.70/1,203,934.71
  6. Step 6: Final answer
    x = 948,832.98

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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.