Home / 516,103.53-711,935.62-479,570.04

Finding the Fourth Proportional to 516,103.53, 711,935.62 and 479,570.04

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Solution

The fourth proportional to 516,103.53, 711,935.62 and 479,570.04 is: 661,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,103.53 : 711,935.62 = 479,570.04 : x
  2. Step 2: Convert to fraction form
    516,103.53/711,935.62 = 479,570.04/x
  3. Step 3: Cross multiply
    516,103.53x = 711,935.62 × 479,570.04
  4. Step 4: Simplify right side
    516,103.53x = 341,422,989,892.14
  5. Step 5: Solve for x
    x = 341,422,989,892.14/516,103.53
  6. Step 6: Final answer
    x = 661,539.73

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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.