Home / 440,144.12-607,394.22-238,940.12

Finding the Fourth Proportional to 440,144.12, 607,394.22 and 238,940.12

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Solution

The fourth proportional to 440,144.12, 607,394.22 and 238,940.12 is: 329,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,144.12 : 607,394.22 = 238,940.12 : x
  2. Step 2: Convert to fraction form
    440,144.12/607,394.22 = 238,940.12/x
  3. Step 3: Cross multiply
    440,144.12x = 607,394.22 × 238,940.12
  4. Step 4: Simplify right side
    440,144.12x = 145,130,847,814.11
  5. Step 5: Solve for x
    x = 145,130,847,814.11/440,144.12
  6. Step 6: Final answer
    x = 329,734.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.