Home / 1,658,544.17-2,288,786.22-933,391.86

Finding the Fourth Proportional to 1,658,544.17, 2,288,786.22 and 933,391.86

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Solution

The fourth proportional to 1,658,544.17, 2,288,786.22 and 933,391.86 is: 1,288,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,544.17 : 2,288,786.22 = 933,391.86 : x
  2. Step 2: Convert to fraction form
    1,658,544.17/2,288,786.22 = 933,391.86/x
  3. Step 3: Cross multiply
    1,658,544.17x = 2,288,786.22 × 933,391.86
  4. Step 4: Simplify right side
    1,658,544.17x = 2,136,334,427,028.17
  5. Step 5: Solve for x
    x = 2,136,334,427,028.17/1,658,544.17
  6. Step 6: Final answer
    x = 1,288,078.11

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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.