Home / 401,789.88-602,785.14-283,692.12

Finding the Fourth Proportional to 401,789.88, 602,785.14 and 283,692.12

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Solution

The fourth proportional to 401,789.88, 602,785.14 and 283,692.12 is: 425,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,789.88 : 602,785.14 = 283,692.12 : x
  2. Step 2: Convert to fraction form
    401,789.88/602,785.14 = 283,692.12/x
  3. Step 3: Cross multiply
    401,789.88x = 602,785.14 × 283,692.12
  4. Step 4: Simplify right side
    401,789.88x = 171,005,394,271.10
  5. Step 5: Solve for x
    x = 171,005,394,271.10/401,789.88
  6. Step 6: Final answer
    x = 425,609.01

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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.