Home / 1,691,663.80-2,536,863.32-680,444.04

Finding the Fourth Proportional to 1,691,663.80, 2,536,863.32 and 680,444.04

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Solution

The fourth proportional to 1,691,663.80, 2,536,863.32 and 680,444.04 is: 1,020,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,663.80 : 2,536,863.32 = 680,444.04 : x
  2. Step 2: Convert to fraction form
    1,691,663.80/2,536,863.32 = 680,444.04/x
  3. Step 3: Cross multiply
    1,691,663.80x = 2,536,863.32 × 680,444.04
  4. Step 4: Simplify right side
    1,691,663.80x = 1,726,193,526,388.61
  5. Step 5: Solve for x
    x = 1,726,193,526,388.61/1,691,663.80
  6. Step 6: Final answer
    x = 1,020,411.70

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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.