Home / 1,435,885.56-1,981,522.54-782,511.84

Finding the Fourth Proportional to 1,435,885.56, 1,981,522.54 and 782,511.84

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Solution

The fourth proportional to 1,435,885.56, 1,981,522.54 and 782,511.84 is: 1,079,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,885.56 : 1,981,522.54 = 782,511.84 : x
  2. Step 2: Convert to fraction form
    1,435,885.56/1,981,522.54 = 782,511.84/x
  3. Step 3: Cross multiply
    1,435,885.56x = 1,981,522.54 × 782,511.84
  4. Step 4: Simplify right side
    1,435,885.56x = 1,550,564,848,776.87
  5. Step 5: Solve for x
    x = 1,550,564,848,776.87/1,435,885.56
  6. Step 6: Final answer
    x = 1,079,866.59

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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.