Home / 465,812.22-642,740.77-261,834.84

Finding the Fourth Proportional to 465,812.22, 642,740.77 and 261,834.84

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Solution

The fourth proportional to 465,812.22, 642,740.77 and 261,834.84 is: 361,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,812.22 : 642,740.77 = 261,834.84 : x
  2. Step 2: Convert to fraction form
    465,812.22/642,740.77 = 261,834.84/x
  3. Step 3: Cross multiply
    465,812.22x = 642,740.77 × 261,834.84
  4. Step 4: Simplify right side
    465,812.22x = 168,291,926,674.43
  5. Step 5: Solve for x
    x = 168,291,926,674.43/465,812.22
  6. Step 6: Final answer
    x = 361,287.06

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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.