Home / 681,664.98-940,704.24-375,753.18

Finding the Fourth Proportional to 681,664.98, 940,704.24 and 375,753.18

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Solution

The fourth proportional to 681,664.98, 940,704.24 and 375,753.18 is: 518,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,664.98 : 940,704.24 = 375,753.18 : x
  2. Step 2: Convert to fraction form
    681,664.98/940,704.24 = 375,753.18/x
  3. Step 3: Cross multiply
    681,664.98x = 940,704.24 × 375,753.18
  4. Step 4: Simplify right side
    681,664.98x = 353,472,609,619.48
  5. Step 5: Solve for x
    x = 353,472,609,619.48/681,664.98
  6. Step 6: Final answer
    x = 518,543.01

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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.