Home / 461,943.40-691,379.10-335,223.40

Finding the Fourth Proportional to 461,943.40, 691,379.10 and 335,223.40

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Solution

The fourth proportional to 461,943.40, 691,379.10 and 335,223.40 is: 501,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,943.40 : 691,379.10 = 335,223.40 : x
  2. Step 2: Convert to fraction form
    461,943.40/691,379.10 = 335,223.40/x
  3. Step 3: Cross multiply
    461,943.40x = 691,379.10 × 335,223.40
  4. Step 4: Simplify right side
    461,943.40x = 231,766,452,590.94
  5. Step 5: Solve for x
    x = 231,766,452,590.94/461,943.40
  6. Step 6: Final answer
    x = 501,720.45

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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.