Home / 464,769.20-697,283.40-198,657.20

Finding the Fourth Proportional to 464,769.20, 697,283.40 and 198,657.20

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Solution

The fourth proportional to 464,769.20, 697,283.40 and 198,657.20 is: 298,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,769.20 : 697,283.40 = 198,657.20 : x
  2. Step 2: Convert to fraction form
    464,769.20/697,283.40 = 198,657.20/x
  3. Step 3: Cross multiply
    464,769.20x = 697,283.40 × 198,657.20
  4. Step 4: Simplify right side
    464,769.20x = 138,520,367,850.48
  5. Step 5: Solve for x
    x = 138,520,367,850.48/464,769.20
  6. Step 6: Final answer
    x = 298,041.20

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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.