Home / 439,961.46-607,146.80-238,757.46

Finding the Fourth Proportional to 439,961.46, 607,146.80 and 238,757.46

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Solution

The fourth proportional to 439,961.46, 607,146.80 and 238,757.46 is: 329,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.46 : 607,146.80 = 238,757.46 : x
  2. Step 2: Convert to fraction form
    439,961.46/607,146.80 = 238,757.46/x
  3. Step 3: Cross multiply
    439,961.46x = 607,146.80 × 238,757.46
  4. Step 4: Simplify right side
    439,961.46x = 144,960,826,621.34
  5. Step 5: Solve for x
    x = 144,960,826,621.34/439,961.46
  6. Step 6: Final answer
    x = 329,485.28

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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.