Home / 1,119,506.78-1,544,919.77-636,072.56

Finding the Fourth Proportional to 1,119,506.78, 1,544,919.77 and 636,072.56

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Solution

The fourth proportional to 1,119,506.78, 1,544,919.77 and 636,072.56 is: 877,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,506.78 : 1,544,919.77 = 636,072.56 : x
  2. Step 2: Convert to fraction form
    1,119,506.78/1,544,919.77 = 636,072.56/x
  3. Step 3: Cross multiply
    1,119,506.78x = 1,544,919.77 × 636,072.56
  4. Step 4: Simplify right side
    1,119,506.78x = 982,681,073,098.51
  5. Step 5: Solve for x
    x = 982,681,073,098.51/1,119,506.78
  6. Step 6: Final answer
    x = 877,780.37

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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.