Home / 928,667.67-1,392,767.72-359,853.58

Finding the Fourth Proportional to 928,667.67, 1,392,767.72 and 359,853.58

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Solution

The fourth proportional to 928,667.67, 1,392,767.72 and 359,853.58 is: 539,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,667.67 : 1,392,767.72 = 359,853.58 : x
  2. Step 2: Convert to fraction form
    928,667.67/1,392,767.72 = 359,853.58/x
  3. Step 3: Cross multiply
    928,667.67x = 1,392,767.72 × 359,853.58
  4. Step 4: Simplify right side
    928,667.67x = 501,192,450,150.44
  5. Step 5: Solve for x
    x = 501,192,450,150.44/928,667.67
  6. Step 6: Final answer
    x = 539,689.78

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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.