Home / 440,103.60-607,340.70-238,899.60

Finding the Fourth Proportional to 440,103.60, 607,340.70 and 238,899.60

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Solution

The fourth proportional to 440,103.60, 607,340.70 and 238,899.60 is: 329,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,103.60 : 607,340.70 = 238,899.60 : x
  2. Step 2: Convert to fraction form
    440,103.60/607,340.70 = 238,899.60/x
  3. Step 3: Cross multiply
    440,103.60x = 607,340.70 × 238,899.60
  4. Step 4: Simplify right side
    440,103.60x = 145,093,450,293.72
  5. Step 5: Solve for x
    x = 145,093,450,293.72/440,103.60
  6. Step 6: Final answer
    x = 329,680.22

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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.