Home / 819,847.15-1,227,248.46-534,924.19

Finding the Fourth Proportional to 819,847.15, 1,227,248.46 and 534,924.19

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Solution

The fourth proportional to 819,847.15, 1,227,248.46 and 534,924.19 is: 800,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,847.15 : 1,227,248.46 = 534,924.19 : x
  2. Step 2: Convert to fraction form
    819,847.15/1,227,248.46 = 534,924.19/x
  3. Step 3: Cross multiply
    819,847.15x = 1,227,248.46 × 534,924.19
  4. Step 4: Simplify right side
    819,847.15x = 656,484,891,875.47
  5. Step 5: Solve for x
    x = 656,484,891,875.47/819,847.15
  6. Step 6: Final answer
    x = 800,740.59

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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.