Home / 410,823.20-616,234.80-269,818.40

Finding the Fourth Proportional to 410,823.20, 616,234.80 and 269,818.40

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Solution

The fourth proportional to 410,823.20, 616,234.80 and 269,818.40 is: 404,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,823.20 : 616,234.80 = 269,818.40 : x
  2. Step 2: Convert to fraction form
    410,823.20/616,234.80 = 269,818.40/x
  3. Step 3: Cross multiply
    410,823.20x = 616,234.80 × 269,818.40
  4. Step 4: Simplify right side
    410,823.20x = 166,271,487,760.32
  5. Step 5: Solve for x
    x = 166,271,487,760.32/410,823.20
  6. Step 6: Final answer
    x = 404,727.60

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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.