Home / 951,601.23-1,313,209.80-521,890.34

Finding the Fourth Proportional to 951,601.23, 1,313,209.80 and 521,890.34

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Solution

The fourth proportional to 951,601.23, 1,313,209.80 and 521,890.34 is: 720,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,601.23 : 1,313,209.80 = 521,890.34 : x
  2. Step 2: Convert to fraction form
    951,601.23/1,313,209.80 = 521,890.34/x
  3. Step 3: Cross multiply
    951,601.23x = 1,313,209.80 × 521,890.34
  4. Step 4: Simplify right side
    951,601.23x = 685,351,502,447.28
  5. Step 5: Solve for x
    x = 685,351,502,447.28/951,601.23
  6. Step 6: Final answer
    x = 720,208.72

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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.