Home / 1,161,049.25-1,602,301.14-644,805.50

Finding the Fourth Proportional to 1,161,049.25, 1,602,301.14 and 644,805.50

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Solution

The fourth proportional to 1,161,049.25, 1,602,301.14 and 644,805.50 is: 889,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,049.25 : 1,602,301.14 = 644,805.50 : x
  2. Step 2: Convert to fraction form
    1,161,049.25/1,602,301.14 = 644,805.50/x
  3. Step 3: Cross multiply
    1,161,049.25x = 1,602,301.14 × 644,805.50
  4. Step 4: Simplify right side
    1,161,049.25x = 1,033,172,579,716.76
  5. Step 5: Solve for x
    x = 1,033,172,579,716.76/1,161,049.25
  6. Step 6: Final answer
    x = 889,861.11

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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.