Home / 1,622,394.86-2,431,876.16-611,079.25

Finding the Fourth Proportional to 1,622,394.86, 2,431,876.16 and 611,079.25

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Solution

The fourth proportional to 1,622,394.86, 2,431,876.16 and 611,079.25 is: 915,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,394.86 : 2,431,876.16 = 611,079.25 : x
  2. Step 2: Convert to fraction form
    1,622,394.86/2,431,876.16 = 611,079.25/x
  3. Step 3: Cross multiply
    1,622,394.86x = 2,431,876.16 × 611,079.25
  4. Step 4: Simplify right side
    1,622,394.86x = 1,486,069,056,890.28
  5. Step 5: Solve for x
    x = 1,486,069,056,890.28/1,622,394.86
  6. Step 6: Final answer
    x = 915,972.49

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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.