Home / 828,305.70-1,242,458.55-733,827.30

Finding the Fourth Proportional to 828,305.70, 1,242,458.55 and 733,827.30

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Solution

The fourth proportional to 828,305.70, 1,242,458.55 and 733,827.30 is: 1,100,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,305.70 : 1,242,458.55 = 733,827.30 : x
  2. Step 2: Convert to fraction form
    828,305.70/1,242,458.55 = 733,827.30/x
  3. Step 3: Cross multiply
    828,305.70x = 1,242,458.55 × 733,827.30
  4. Step 4: Simplify right side
    828,305.70x = 911,750,003,108.42
  5. Step 5: Solve for x
    x = 911,750,003,108.42/828,305.70
  6. Step 6: Final answer
    x = 1,100,740.95

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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.