Home / 993,373.80-1,489,516.38-393,727.56

Finding the Fourth Proportional to 993,373.80, 1,489,516.38 and 393,727.56

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Solution

The fourth proportional to 993,373.80, 1,489,516.38 and 393,727.56 is: 590,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,373.80 : 1,489,516.38 = 393,727.56 : x
  2. Step 2: Convert to fraction form
    993,373.80/1,489,516.38 = 393,727.56/x
  3. Step 3: Cross multiply
    993,373.80x = 1,489,516.38 × 393,727.56
  4. Step 4: Simplify right side
    993,373.80x = 586,463,649,877.43
  5. Step 5: Solve for x
    x = 586,463,649,877.43/993,373.80
  6. Step 6: Final answer
    x = 590,375.60

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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.