Home / 1,603,511.84-2,212,767.72-878,362.79

Finding the Fourth Proportional to 1,603,511.84, 2,212,767.72 and 878,362.79

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Solution

The fourth proportional to 1,603,511.84, 2,212,767.72 and 878,362.79 is: 1,212,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,511.84 : 2,212,767.72 = 878,362.79 : x
  2. Step 2: Convert to fraction form
    1,603,511.84/2,212,767.72 = 878,362.79/x
  3. Step 3: Cross multiply
    1,603,511.84x = 2,212,767.72 × 878,362.79
  4. Step 4: Simplify right side
    1,603,511.84x = 1,943,612,817,097.30
  5. Step 5: Solve for x
    x = 1,943,612,817,097.30/1,603,511.84
  6. Step 6: Final answer
    x = 1,212,097.58

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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.