Home / 701,901.43-968,743.07-396,064.51

Finding the Fourth Proportional to 701,901.43, 968,743.07 and 396,064.51

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Solution

The fourth proportional to 701,901.43, 968,743.07 and 396,064.51 is: 546,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,901.43 : 968,743.07 = 396,064.51 : x
  2. Step 2: Convert to fraction form
    701,901.43/968,743.07 = 396,064.51/x
  3. Step 3: Cross multiply
    701,901.43x = 968,743.07 × 396,064.51
  4. Step 4: Simplify right side
    701,901.43x = 383,684,749,335.45
  5. Step 5: Solve for x
    x = 383,684,749,335.45/701,901.43
  6. Step 6: Final answer
    x = 546,636.23

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Double scale
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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.