Home / 404,114.70-607,046.85-389,243.10

Finding the Fourth Proportional to 404,114.70, 607,046.85 and 389,243.10

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Solution

The fourth proportional to 404,114.70, 607,046.85 and 389,243.10 is: 584,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,114.70 : 607,046.85 = 389,243.10 : x
  2. Step 2: Convert to fraction form
    404,114.70/607,046.85 = 389,243.10/x
  3. Step 3: Cross multiply
    404,114.70x = 607,046.85 × 389,243.10
  4. Step 4: Simplify right side
    404,114.70x = 236,288,797,739.24
  5. Step 5: Solve for x
    x = 236,288,797,739.24/404,114.70
  6. Step 6: Final answer
    x = 584,707.26

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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.