Home / 1,193,345.91-1,789,841.07-394,631.64

Finding the Fourth Proportional to 1,193,345.91, 1,789,841.07 and 394,631.64

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Solution

The fourth proportional to 1,193,345.91, 1,789,841.07 and 394,631.64 is: 591,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,345.91 : 1,789,841.07 = 394,631.64 : x
  2. Step 2: Convert to fraction form
    1,193,345.91/1,789,841.07 = 394,631.64/x
  3. Step 3: Cross multiply
    1,193,345.91x = 1,789,841.07 × 394,631.64
  4. Step 4: Simplify right side
    1,193,345.91x = 706,327,916,793.46
  5. Step 5: Solve for x
    x = 706,327,916,793.46/1,193,345.91
  6. Step 6: Final answer
    x = 591,888.66

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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.