Home / 447,441.39-617,330.07-253,817.19

Finding the Fourth Proportional to 447,441.39, 617,330.07 and 253,817.19

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Solution

The fourth proportional to 447,441.39, 617,330.07 and 253,817.19 is: 350,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,441.39 : 617,330.07 = 253,817.19 : x
  2. Step 2: Convert to fraction form
    447,441.39/617,330.07 = 253,817.19/x
  3. Step 3: Cross multiply
    447,441.39x = 617,330.07 × 253,817.19
  4. Step 4: Simplify right side
    447,441.39x = 156,688,983,669.90
  5. Step 5: Solve for x
    x = 156,688,983,669.90/447,441.39
  6. Step 6: Final answer
    x = 350,188.85

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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.