Home / 1,028,777.84-1,419,681.28-569,874

Finding the Fourth Proportional to 1,028,777.84, 1,419,681.28 and 569,874

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Solution

The fourth proportional to 1,028,777.84, 1,419,681.28 and 569,874 is: 786,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,777.84 : 1,419,681.28 = 569,874 : x
  2. Step 2: Convert to fraction form
    1,028,777.84/1,419,681.28 = 569,874/x
  3. Step 3: Cross multiply
    1,028,777.84x = 1,419,681.28 × 569,874
  4. Step 4: Simplify right side
    1,028,777.84x = 809,039,449,758.72
  5. Step 5: Solve for x
    x = 809,039,449,758.72/1,028,777.84
  6. Step 6: Final answer
    x = 786,408.32

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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.