Home / 440,734.41-608,343.46-287,796.38

Finding the Fourth Proportional to 440,734.41, 608,343.46 and 287,796.38

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Solution

The fourth proportional to 440,734.41, 608,343.46 and 287,796.38 is: 397,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,734.41 : 608,343.46 = 287,796.38 : x
  2. Step 2: Convert to fraction form
    440,734.41/608,343.46 = 287,796.38/x
  3. Step 3: Cross multiply
    440,734.41x = 608,343.46 × 287,796.38
  4. Step 4: Simplify right side
    440,734.41x = 175,079,041,823.47
  5. Step 5: Solve for x
    x = 175,079,041,823.47/440,734.41
  6. Step 6: Final answer
    x = 397,243.87

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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.