Home / 805,450.32-1,208,153.76-198,244.05

Finding the Fourth Proportional to 805,450.32, 1,208,153.76 and 198,244.05

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Solution

The fourth proportional to 805,450.32, 1,208,153.76 and 198,244.05 is: 297,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,450.32 : 1,208,153.76 = 198,244.05 : x
  2. Step 2: Convert to fraction form
    805,450.32/1,208,153.76 = 198,244.05/x
  3. Step 3: Cross multiply
    805,450.32x = 1,208,153.76 × 198,244.05
  4. Step 4: Simplify right side
    805,450.32x = 239,509,288,364.36
  5. Step 5: Solve for x
    x = 239,509,288,364.36/805,450.32
  6. Step 6: Final answer
    x = 297,360.72

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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.