Home / 1,622,393.11-2,431,873.53-611,077.50

Finding the Fourth Proportional to 1,622,393.11, 2,431,873.53 and 611,077.50

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Solution

The fourth proportional to 1,622,393.11, 2,431,873.53 and 611,077.50 is: 915,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,393.11 : 2,431,873.53 = 611,077.50 : x
  2. Step 2: Convert to fraction form
    1,622,393.11/2,431,873.53 = 611,077.50/x
  3. Step 3: Cross multiply
    1,622,393.11x = 2,431,873.53 × 611,077.50
  4. Step 4: Simplify right side
    1,622,393.11x = 1,486,063,197,028.58
  5. Step 5: Solve for x
    x = 1,486,063,197,028.58/1,622,393.11
  6. Step 6: Final answer
    x = 915,969.86

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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.