Home / 1,289,099.84-1,934,304.96-578,983.04

Finding the Fourth Proportional to 1,289,099.84, 1,934,304.96 and 578,983.04

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Solution

The fourth proportional to 1,289,099.84, 1,934,304.96 and 578,983.04 is: 868,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,099.84 : 1,934,304.96 = 578,983.04 : x
  2. Step 2: Convert to fraction form
    1,289,099.84/1,934,304.96 = 578,983.04/x
  3. Step 3: Cross multiply
    1,289,099.84x = 1,934,304.96 × 578,983.04
  4. Step 4: Simplify right side
    1,289,099.84x = 1,119,929,766,027.88
  5. Step 5: Solve for x
    x = 1,119,929,766,027.88/1,289,099.84
  6. Step 6: Final answer
    x = 868,768.83

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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.