Home / 440,146.88-607,403.30-238,942.88

Finding the Fourth Proportional to 440,146.88, 607,403.30 and 238,942.88

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Solution

The fourth proportional to 440,146.88, 607,403.30 and 238,942.88 is: 329,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,146.88 : 607,403.30 = 238,942.88 : x
  2. Step 2: Convert to fraction form
    440,146.88/607,403.30 = 238,942.88/x
  3. Step 3: Cross multiply
    440,146.88x = 607,403.30 × 238,942.88
  4. Step 4: Simplify right side
    440,146.88x = 145,134,693,823.50
  5. Step 5: Solve for x
    x = 145,134,693,823.50/440,146.88
  6. Step 6: Final answer
    x = 329,741.50

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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.