Home / 1,161,001.74-1,602,198.12-644,788.94

Finding the Fourth Proportional to 1,161,001.74, 1,602,198.12 and 644,788.94

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Solution

The fourth proportional to 1,161,001.74, 1,602,198.12 and 644,788.94 is: 889,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,001.74 : 1,602,198.12 = 644,788.94 : x
  2. Step 2: Convert to fraction form
    1,161,001.74/1,602,198.12 = 644,788.94/x
  3. Step 3: Cross multiply
    1,161,001.74x = 1,602,198.12 × 644,788.94
  4. Step 4: Simplify right side
    1,161,001.74x = 1,033,079,619,453.80
  5. Step 5: Solve for x
    x = 1,033,079,619,453.80/1,161,001.74
  6. Step 6: Final answer
    x = 889,817.46

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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.