Home / 543,769.80-815,946.30-228,258.60

Finding the Fourth Proportional to 543,769.80, 815,946.30 and 228,258.60

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Solution

The fourth proportional to 543,769.80, 815,946.30 and 228,258.60 is: 342,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,769.80 : 815,946.30 = 228,258.60 : x
  2. Step 2: Convert to fraction form
    543,769.80/815,946.30 = 228,258.60/x
  3. Step 3: Cross multiply
    543,769.80x = 815,946.30 × 228,258.60
  4. Step 4: Simplify right side
    543,769.80x = 186,246,760,113.18
  5. Step 5: Solve for x
    x = 186,246,760,113.18/543,769.80
  6. Step 6: Final answer
    x = 342,510.31

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1.5x scale

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.