Home / 1,658,607.40-2,288,499.56-933,190.43

Finding the Fourth Proportional to 1,658,607.40, 2,288,499.56 and 933,190.43

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Solution

The fourth proportional to 1,658,607.40, 2,288,499.56 and 933,190.43 is: 1,287,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,607.40 : 2,288,499.56 = 933,190.43 : x
  2. Step 2: Convert to fraction form
    1,658,607.40/2,288,499.56 = 933,190.43/x
  3. Step 3: Cross multiply
    1,658,607.40x = 2,288,499.56 × 933,190.43
  4. Step 4: Simplify right side
    1,658,607.40x = 2,135,605,888,451.21
  5. Step 5: Solve for x
    x = 2,135,605,888,451.21/1,658,607.40
  6. Step 6: Final answer
    x = 1,287,589.75

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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.