Home / 1,411,589.80-2,116,194.40-612,269.38

Finding the Fourth Proportional to 1,411,589.80, 2,116,194.40 and 612,269.38

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Solution

The fourth proportional to 1,411,589.80, 2,116,194.40 and 612,269.38 is: 917,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,589.80 : 2,116,194.40 = 612,269.38 : x
  2. Step 2: Convert to fraction form
    1,411,589.80/2,116,194.40 = 612,269.38/x
  3. Step 3: Cross multiply
    1,411,589.80x = 2,116,194.40 × 612,269.38
  4. Step 4: Simplify right side
    1,411,589.80x = 1,295,681,033,247.47
  5. Step 5: Solve for x
    x = 1,295,681,033,247.47/1,411,589.80
  6. Step 6: Final answer
    x = 917,887.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.