Home / 496,350.26-680,501.88-487,382.14

Finding the Fourth Proportional to 496,350.26, 680,501.88 and 487,382.14

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Solution

The fourth proportional to 496,350.26, 680,501.88 and 487,382.14 is: 668,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,350.26 : 680,501.88 = 487,382.14 : x
  2. Step 2: Convert to fraction form
    496,350.26/680,501.88 = 487,382.14/x
  3. Step 3: Cross multiply
    496,350.26x = 680,501.88 × 487,382.14
  4. Step 4: Simplify right side
    496,350.26x = 331,664,462,548.42
  5. Step 5: Solve for x
    x = 331,664,462,548.42/496,350.26
  6. Step 6: Final answer
    x = 668,206.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.