Home / 1,533,761.70-2,116,748.70-922,113.78

Finding the Fourth Proportional to 1,533,761.70, 2,116,748.70 and 922,113.78

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Solution

The fourth proportional to 1,533,761.70, 2,116,748.70 and 922,113.78 is: 1,272,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,761.70 : 2,116,748.70 = 922,113.78 : x
  2. Step 2: Convert to fraction form
    1,533,761.70/2,116,748.70 = 922,113.78/x
  3. Step 3: Cross multiply
    1,533,761.70x = 2,116,748.70 × 922,113.78
  4. Step 4: Simplify right side
    1,533,761.70x = 1,951,883,145,067.09
  5. Step 5: Solve for x
    x = 1,951,883,145,067.09/1,533,761.70
  6. Step 6: Final answer
    x = 1,272,611.74

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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.