Home / 951,673.18-1,313,345.82-521,971.42

Finding the Fourth Proportional to 951,673.18, 1,313,345.82 and 521,971.42

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Solution

The fourth proportional to 951,673.18, 1,313,345.82 and 521,971.42 is: 720,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,673.18 : 1,313,345.82 = 521,971.42 : x
  2. Step 2: Convert to fraction form
    951,673.18/1,313,345.82 = 521,971.42/x
  3. Step 3: Cross multiply
    951,673.18x = 1,313,345.82 × 521,971.42
  4. Step 4: Simplify right side
    951,673.18x = 685,528,982,616.46
  5. Step 5: Solve for x
    x = 685,528,982,616.46/951,673.18
  6. Step 6: Final answer
    x = 720,340.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.