Home / 445,091.01-665,729.02-412,784.16

Finding the Fourth Proportional to 445,091.01, 665,729.02 and 412,784.16

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Solution

The fourth proportional to 445,091.01, 665,729.02 and 412,784.16 is: 617,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,091.01 : 665,729.02 = 412,784.16 : x
  2. Step 2: Convert to fraction form
    445,091.01/665,729.02 = 412,784.16/x
  3. Step 3: Cross multiply
    445,091.01x = 665,729.02 × 412,784.16
  4. Step 4: Simplify right side
    445,091.01x = 274,802,394,308.32
  5. Step 5: Solve for x
    x = 274,802,394,308.32/445,091.01
  6. Step 6: Final answer
    x = 617,407.20

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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.