Home / 1,296,590.45-1,944,890.34-398,032.23

Finding the Fourth Proportional to 1,296,590.45, 1,944,890.34 and 398,032.23

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Solution

The fourth proportional to 1,296,590.45, 1,944,890.34 and 398,032.23 is: 597,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,590.45 : 1,944,890.34 = 398,032.23 : x
  2. Step 2: Convert to fraction form
    1,296,590.45/1,944,890.34 = 398,032.23/x
  3. Step 3: Cross multiply
    1,296,590.45x = 1,944,890.34 × 398,032.23
  4. Step 4: Simplify right side
    1,296,590.45x = 774,129,039,135.66
  5. Step 5: Solve for x
    x = 774,129,039,135.66/1,296,590.45
  6. Step 6: Final answer
    x = 597,049.78

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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.