Home / 411,087.60-616,631.40-201,135.60

Finding the Fourth Proportional to 411,087.60, 616,631.40 and 201,135.60

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Solution

The fourth proportional to 411,087.60, 616,631.40 and 201,135.60 is: 301,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,087.60 : 616,631.40 = 201,135.60 : x
  2. Step 2: Convert to fraction form
    411,087.60/616,631.40 = 201,135.60/x
  3. Step 3: Cross multiply
    411,087.60x = 616,631.40 × 201,135.60
  4. Step 4: Simplify right side
    411,087.60x = 124,026,526,617.84
  5. Step 5: Solve for x
    x = 124,026,526,617.84/411,087.60
  6. Step 6: Final answer
    x = 301,703.40

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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.