Home / 1,519,317.92-2,096,622.96-840,239.84

Finding the Fourth Proportional to 1,519,317.92, 2,096,622.96 and 840,239.84

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Solution

The fourth proportional to 1,519,317.92, 2,096,622.96 and 840,239.84 is: 1,159,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,317.92 : 2,096,622.96 = 840,239.84 : x
  2. Step 2: Convert to fraction form
    1,519,317.92/2,096,622.96 = 840,239.84/x
  3. Step 3: Cross multiply
    1,519,317.92x = 2,096,622.96 × 840,239.84
  4. Step 4: Simplify right side
    1,519,317.92x = 1,761,666,140,450.73
  5. Step 5: Solve for x
    x = 1,761,666,140,450.73/1,519,317.92
  6. Step 6: Final answer
    x = 1,159,511.20

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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.