Home / 828,239.57-1,242,387.14-229,150.55

Finding the Fourth Proportional to 828,239.57, 1,242,387.14 and 229,150.55

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Solution

The fourth proportional to 828,239.57, 1,242,387.14 and 229,150.55 is: 343,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,239.57 : 1,242,387.14 = 229,150.55 : x
  2. Step 2: Convert to fraction form
    828,239.57/1,242,387.14 = 229,150.55/x
  3. Step 3: Cross multiply
    828,239.57x = 1,242,387.14 × 229,150.55
  4. Step 4: Simplify right side
    828,239.57x = 284,693,698,404.14
  5. Step 5: Solve for x
    x = 284,693,698,404.14/828,239.57
  6. Step 6: Final answer
    x = 343,733.52

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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.