Home / 1,622,393.49-2,431,874.09-611,077.88

Finding the Fourth Proportional to 1,622,393.49, 2,431,874.09 and 611,077.88

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Solution

The fourth proportional to 1,622,393.49, 2,431,874.09 and 611,077.88 is: 915,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,393.49 : 2,431,874.09 = 611,077.88 : x
  2. Step 2: Convert to fraction form
    1,622,393.49/2,431,874.09 = 611,077.88/x
  3. Step 3: Cross multiply
    1,622,393.49x = 2,431,874.09 × 611,077.88
  4. Step 4: Simplify right side
    1,622,393.49x = 1,486,064,452,712.45
  5. Step 5: Solve for x
    x = 1,486,064,452,712.45/1,622,393.49
  6. Step 6: Final answer
    x = 915,970.43

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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.