Home / 1,289,100.84-1,934,306.46-578,984.04

Finding the Fourth Proportional to 1,289,100.84, 1,934,306.46 and 578,984.04

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Solution

The fourth proportional to 1,289,100.84, 1,934,306.46 and 578,984.04 is: 868,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,100.84 : 1,934,306.46 = 578,984.04 : x
  2. Step 2: Convert to fraction form
    1,289,100.84/1,934,306.46 = 578,984.04/x
  3. Step 3: Cross multiply
    1,289,100.84x = 1,934,306.46 × 578,984.04
  4. Step 4: Simplify right side
    1,289,100.84x = 1,119,932,568,808.90
  5. Step 5: Solve for x
    x = 1,119,932,568,808.90/1,289,100.84
  6. Step 6: Final answer
    x = 868,770.34

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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.