Home / 445,106.73-666,899.43-318,098.08

Finding the Fourth Proportional to 445,106.73, 666,899.43 and 318,098.08

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Solution

The fourth proportional to 445,106.73, 666,899.43 and 318,098.08 is: 476,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,106.73 : 666,899.43 = 318,098.08 : x
  2. Step 2: Convert to fraction form
    445,106.73/666,899.43 = 318,098.08/x
  3. Step 3: Cross multiply
    445,106.73x = 666,899.43 × 318,098.08
  4. Step 4: Simplify right side
    445,106.73x = 212,139,425,914.84
  5. Step 5: Solve for x
    x = 212,139,425,914.84/445,106.73
  6. Step 6: Final answer
    x = 476,603.50

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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.