Home / 653,623.28-901,860.20-381,567.70

Finding the Fourth Proportional to 653,623.28, 901,860.20 and 381,567.70

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Solution

The fourth proportional to 653,623.28, 901,860.20 and 381,567.70 is: 526,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,623.28 : 901,860.20 = 381,567.70 : x
  2. Step 2: Convert to fraction form
    653,623.28/901,860.20 = 381,567.70/x
  3. Step 3: Cross multiply
    653,623.28x = 901,860.20 × 381,567.70
  4. Step 4: Simplify right side
    653,623.28x = 344,120,722,235.54
  5. Step 5: Solve for x
    x = 344,120,722,235.54/653,623.28
  6. Step 6: Final answer
    x = 526,481.74

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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.