Home / 828,915.08-1,243,372.62-548,366.72

Finding the Fourth Proportional to 828,915.08, 1,243,372.62 and 548,366.72

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Solution

The fourth proportional to 828,915.08, 1,243,372.62 and 548,366.72 is: 822,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,915.08 : 1,243,372.62 = 548,366.72 : x
  2. Step 2: Convert to fraction form
    828,915.08/1,243,372.62 = 548,366.72/x
  3. Step 3: Cross multiply
    828,915.08x = 1,243,372.62 × 548,366.72
  4. Step 4: Simplify right side
    828,915.08x = 681,824,165,367.21
  5. Step 5: Solve for x
    x = 681,824,165,367.21/828,915.08
  6. Step 6: Final answer
    x = 822,550.08

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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.