Home / 439,108.06-656,857.80-350,534.56

Finding the Fourth Proportional to 439,108.06, 656,857.80 and 350,534.56

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Solution

The fourth proportional to 439,108.06, 656,857.80 and 350,534.56 is: 524,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,108.06 : 656,857.80 = 350,534.56 : x
  2. Step 2: Convert to fraction form
    439,108.06/656,857.80 = 350,534.56/x
  3. Step 3: Cross multiply
    439,108.06x = 656,857.80 × 350,534.56
  4. Step 4: Simplify right side
    439,108.06x = 230,251,359,905.57
  5. Step 5: Solve for x
    x = 230,251,359,905.57/439,108.06
  6. Step 6: Final answer
    x = 524,361.50

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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.