Home / 447,481.02-671,221.53-368,429.19

Finding the Fourth Proportional to 447,481.02, 671,221.53 and 368,429.19

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Solution

The fourth proportional to 447,481.02, 671,221.53 and 368,429.19 is: 552,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,481.02 : 671,221.53 = 368,429.19 : x
  2. Step 2: Convert to fraction form
    447,481.02/671,221.53 = 368,429.19/x
  3. Step 3: Cross multiply
    447,481.02x = 671,221.53 × 368,429.19
  4. Step 4: Simplify right side
    447,481.02x = 247,297,604,608.46
  5. Step 5: Solve for x
    x = 247,297,604,608.46/447,481.02
  6. Step 6: Final answer
    x = 552,643.79

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Double scale
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Similar ratio
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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.