Home / 702,112.24-968,910.96-379,821.34

Finding the Fourth Proportional to 702,112.24, 968,910.96 and 379,821.34

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Solution

The fourth proportional to 702,112.24, 968,910.96 and 379,821.34 is: 524,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,112.24 : 968,910.96 = 379,821.34 : x
  2. Step 2: Convert to fraction form
    702,112.24/968,910.96 = 379,821.34/x
  3. Step 3: Cross multiply
    702,112.24x = 968,910.96 × 379,821.34
  4. Step 4: Simplify right side
    702,112.24x = 368,013,059,167.89
  5. Step 5: Solve for x
    x = 368,013,059,167.89/702,112.24
  6. Step 6: Final answer
    x = 524,151.32

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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.