Home / 447,145.34-617,221.07-265,856.84

Finding the Fourth Proportional to 447,145.34, 617,221.07 and 265,856.84

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Solution

The fourth proportional to 447,145.34, 617,221.07 and 265,856.84 is: 366,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,145.34 : 617,221.07 = 265,856.84 : x
  2. Step 2: Convert to fraction form
    447,145.34/617,221.07 = 265,856.84/x
  3. Step 3: Cross multiply
    447,145.34x = 617,221.07 × 265,856.84
  4. Step 4: Simplify right side
    447,145.34x = 164,092,438,836.23
  5. Step 5: Solve for x
    x = 164,092,438,836.23/447,145.34
  6. Step 6: Final answer
    x = 366,977.86

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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.