Home / 1,691,951.94-2,537,336.61-680,811.53

Finding the Fourth Proportional to 1,691,951.94, 2,537,336.61 and 680,811.53

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Solution

The fourth proportional to 1,691,951.94, 2,537,336.61 and 680,811.53 is: 1,020,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,951.94 : 2,537,336.61 = 680,811.53 : x
  2. Step 2: Convert to fraction form
    1,691,951.94/2,537,336.61 = 680,811.53/x
  3. Step 3: Cross multiply
    1,691,951.94x = 2,537,336.61 × 680,811.53
  4. Step 4: Simplify right side
    1,691,951.94x = 1,727,448,006,892.43
  5. Step 5: Solve for x
    x = 1,727,448,006,892.43/1,691,951.94
  6. Step 6: Final answer
    x = 1,020,979.36

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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.