Home / 758,859.80-1,138,289.70-197,894.30

Finding the Fourth Proportional to 758,859.80, 1,138,289.70 and 197,894.30

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Solution

The fourth proportional to 758,859.80, 1,138,289.70 and 197,894.30 is: 296,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,859.80 : 1,138,289.70 = 197,894.30 : x
  2. Step 2: Convert to fraction form
    758,859.80/1,138,289.70 = 197,894.30/x
  3. Step 3: Cross multiply
    758,859.80x = 1,138,289.70 × 197,894.30
  4. Step 4: Simplify right side
    758,859.80x = 225,261,043,378.71
  5. Step 5: Solve for x
    x = 225,261,043,378.71/758,859.80
  6. Step 6: Final answer
    x = 296,841.45

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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.