Home / 828,938.43-1,243,407.56-229,899.58

Finding the Fourth Proportional to 828,938.43, 1,243,407.56 and 229,899.58

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Solution

The fourth proportional to 828,938.43, 1,243,407.56 and 229,899.58 is: 344,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,938.43 : 1,243,407.56 = 229,899.58 : x
  2. Step 2: Convert to fraction form
    828,938.43/1,243,407.56 = 229,899.58/x
  3. Step 3: Cross multiply
    828,938.43x = 1,243,407.56 × 229,899.58
  4. Step 4: Simplify right side
    828,938.43x = 285,858,869,595.79
  5. Step 5: Solve for x
    x = 285,858,869,595.79/828,938.43
  6. Step 6: Final answer
    x = 344,849.34

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Double scale
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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.