Home / 1,015,278.46-1,400,906.68-579,496.84

Finding the Fourth Proportional to 1,015,278.46, 1,400,906.68 and 579,496.84

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Solution

The fourth proportional to 1,015,278.46, 1,400,906.68 and 579,496.84 is: 799,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,278.46 : 1,400,906.68 = 579,496.84 : x
  2. Step 2: Convert to fraction form
    1,015,278.46/1,400,906.68 = 579,496.84/x
  3. Step 3: Cross multiply
    1,015,278.46x = 1,400,906.68 × 579,496.84
  4. Step 4: Simplify right side
    1,015,278.46x = 811,820,994,194.89
  5. Step 5: Solve for x
    x = 811,820,994,194.89/1,015,278.46
  6. Step 6: Final answer
    x = 799,604.27

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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.