Home / 701,748.78-968,340.66-518,085.09

Finding the Fourth Proportional to 701,748.78, 968,340.66 and 518,085.09

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Solution

The fourth proportional to 701,748.78, 968,340.66 and 518,085.09 is: 714,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,748.78 : 968,340.66 = 518,085.09 : x
  2. Step 2: Convert to fraction form
    701,748.78/968,340.66 = 518,085.09/x
  3. Step 3: Cross multiply
    701,748.78x = 968,340.66 × 518,085.09
  4. Step 4: Simplify right side
    701,748.78x = 501,682,857,986.76
  5. Step 5: Solve for x
    x = 501,682,857,986.76/701,748.78
  6. Step 6: Final answer
    x = 714,903.78

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Double scale
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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.