Home / 447,532.61-617,608.08-243,596.69

Finding the Fourth Proportional to 447,532.61, 617,608.08 and 243,596.69

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Solution

The fourth proportional to 447,532.61, 617,608.08 and 243,596.69 is: 336,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,532.61 : 617,608.08 = 243,596.69 : x
  2. Step 2: Convert to fraction form
    447,532.61/617,608.08 = 243,596.69/x
  3. Step 3: Cross multiply
    447,532.61x = 617,608.08 × 243,596.69
  4. Step 4: Simplify right side
    447,532.61x = 150,447,280,917.22
  5. Step 5: Solve for x
    x = 150,447,280,917.22/447,532.61
  6. Step 6: Final answer
    x = 336,170.55

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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.