Home / 1,119,505.78-1,544,918.39-636,071.56

Finding the Fourth Proportional to 1,119,505.78, 1,544,918.39 and 636,071.56

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Solution

The fourth proportional to 1,119,505.78, 1,544,918.39 and 636,071.56 is: 877,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,505.78 : 1,544,918.39 = 636,071.56 : x
  2. Step 2: Convert to fraction form
    1,119,505.78/1,544,918.39 = 636,071.56/x
  3. Step 3: Cross multiply
    1,119,505.78x = 1,544,918.39 × 636,071.56
  4. Step 4: Simplify right side
    1,119,505.78x = 982,678,639,495.04
  5. Step 5: Solve for x
    x = 982,678,639,495.04/1,119,505.78
  6. Step 6: Final answer
    x = 877,778.98

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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.