Home / 613,613.80-919,917.42-276,553.36

Finding the Fourth Proportional to 613,613.80, 919,917.42 and 276,553.36

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Solution

The fourth proportional to 613,613.80, 919,917.42 and 276,553.36 is: 414,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,613.80 : 919,917.42 = 276,553.36 : x
  2. Step 2: Convert to fraction form
    613,613.80/919,917.42 = 276,553.36/x
  3. Step 3: Cross multiply
    613,613.80x = 919,917.42 × 276,553.36
  4. Step 4: Simplify right side
    613,613.80x = 254,406,253,423.53
  5. Step 5: Solve for x
    x = 254,406,253,423.53/613,613.80
  6. Step 6: Final answer
    x = 414,603.21

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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.