Home / 296,720.68-442,922.60-274,792.36

Finding the Fourth Proportional to 296,720.68, 442,922.60 and 274,792.36

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Solution

The fourth proportional to 296,720.68, 442,922.60 and 274,792.36 is: 410,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,720.68 : 442,922.60 = 274,792.36 : x
  2. Step 2: Convert to fraction form
    296,720.68/442,922.60 = 274,792.36/x
  3. Step 3: Cross multiply
    296,720.68x = 442,922.60 × 274,792.36
  4. Step 4: Simplify right side
    296,720.68x = 121,711,746,551.34
  5. Step 5: Solve for x
    x = 121,711,746,551.34/296,720.68
  6. Step 6: Final answer
    x = 410,189.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.