Home / 407,968.57-562,815.49-271,869.94

Finding the Fourth Proportional to 407,968.57, 562,815.49 and 271,869.94

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Solution

The fourth proportional to 407,968.57, 562,815.49 and 271,869.94 is: 375,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,968.57 : 562,815.49 = 271,869.94 : x
  2. Step 2: Convert to fraction form
    407,968.57/562,815.49 = 271,869.94/x
  3. Step 3: Cross multiply
    407,968.57x = 562,815.49 × 271,869.94
  4. Step 4: Simplify right side
    407,968.57x = 153,012,609,323.94
  5. Step 5: Solve for x
    x = 153,012,609,323.94/407,968.57
  6. Step 6: Final answer
    x = 375,059.80

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1.5x scale

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.