Home / 1,116,717.84-1,675,086.60-317,998.70

Finding the Fourth Proportional to 1,116,717.84, 1,675,086.60 and 317,998.70

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Solution

The fourth proportional to 1,116,717.84, 1,675,086.60 and 317,998.70 is: 477,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,717.84 : 1,675,086.60 = 317,998.70 : x
  2. Step 2: Convert to fraction form
    1,116,717.84/1,675,086.60 = 317,998.70/x
  3. Step 3: Cross multiply
    1,116,717.84x = 1,675,086.60 × 317,998.70
  4. Step 4: Simplify right side
    1,116,717.84x = 532,675,361,187.42
  5. Step 5: Solve for x
    x = 532,675,361,187.42/1,116,717.84
  6. Step 6: Final answer
    x = 477,000.85

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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.