Home / 935,662.32-1,291,213.10-505,941.42

Finding the Fourth Proportional to 935,662.32, 1,291,213.10 and 505,941.42

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Solution

The fourth proportional to 935,662.32, 1,291,213.10 and 505,941.42 is: 698,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,662.32 : 1,291,213.10 = 505,941.42 : x
  2. Step 2: Convert to fraction form
    935,662.32/1,291,213.10 = 505,941.42/x
  3. Step 3: Cross multiply
    935,662.32x = 1,291,213.10 × 505,941.42
  4. Step 4: Simplify right side
    935,662.32x = 653,278,195,443.51
  5. Step 5: Solve for x
    x = 653,278,195,443.51/935,662.32
  6. Step 6: Final answer
    x = 698,198.68

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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.