Home / 851,510.88-1,174,998.96-469,527.84

Finding the Fourth Proportional to 851,510.88, 1,174,998.96 and 469,527.84

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Solution

The fourth proportional to 851,510.88, 1,174,998.96 and 469,527.84 is: 647,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,510.88 : 1,174,998.96 = 469,527.84 : x
  2. Step 2: Convert to fraction form
    851,510.88/1,174,998.96 = 469,527.84/x
  3. Step 3: Cross multiply
    851,510.88x = 1,174,998.96 × 469,527.84
  4. Step 4: Simplify right side
    851,510.88x = 551,694,723,691.05
  5. Step 5: Solve for x
    x = 551,694,723,691.05/851,510.88
  6. Step 6: Final answer
    x = 647,900.97

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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.