Home / 658,338.06-987,541.26-209,094.12

Finding the Fourth Proportional to 658,338.06, 987,541.26 and 209,094.12

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Solution

The fourth proportional to 658,338.06, 987,541.26 and 209,094.12 is: 313,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,338.06 : 987,541.26 = 209,094.12 : x
  2. Step 2: Convert to fraction form
    658,338.06/987,541.26 = 209,094.12/x
  3. Step 3: Cross multiply
    658,338.06x = 987,541.26 × 209,094.12
  4. Step 4: Simplify right side
    658,338.06x = 206,489,070,723.39
  5. Step 5: Solve for x
    x = 206,489,070,723.39/658,338.06
  6. Step 6: Final answer
    x = 313,652.03

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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.