Home / 1,212,901.65-1,818,819.63-454,211

Finding the Fourth Proportional to 1,212,901.65, 1,818,819.63 and 454,211

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Solution

The fourth proportional to 1,212,901.65, 1,818,819.63 and 454,211 is: 681,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,901.65 : 1,818,819.63 = 454,211 : x
  2. Step 2: Convert to fraction form
    1,212,901.65/1,818,819.63 = 454,211/x
  3. Step 3: Cross multiply
    1,212,901.65x = 1,818,819.63 × 454,211
  4. Step 4: Simplify right side
    1,212,901.65x = 826,127,882,961.93
  5. Step 5: Solve for x
    x = 826,127,882,961.93/1,212,901.65
  6. Step 6: Final answer
    x = 681,116.96

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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.