Home / 489,451.20-675,566.82-334,465.26

Finding the Fourth Proportional to 489,451.20, 675,566.82 and 334,465.26

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Solution

The fourth proportional to 489,451.20, 675,566.82 and 334,465.26 is: 461,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,451.20 : 675,566.82 = 334,465.26 : x
  2. Step 2: Convert to fraction form
    489,451.20/675,566.82 = 334,465.26/x
  3. Step 3: Cross multiply
    489,451.20x = 675,566.82 × 334,465.26
  4. Step 4: Simplify right side
    489,451.20x = 225,953,632,098.67
  5. Step 5: Solve for x
    x = 225,953,632,098.67/489,451.20
  6. Step 6: Final answer
    x = 461,646.91

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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.