Home / 454,116.48-626,680.32-252,912

Finding the Fourth Proportional to 454,116.48, 626,680.32 and 252,912

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Solution

The fourth proportional to 454,116.48, 626,680.32 and 252,912 is: 349,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,116.48 : 626,680.32 = 252,912 : x
  2. Step 2: Convert to fraction form
    454,116.48/626,680.32 = 252,912/x
  3. Step 3: Cross multiply
    454,116.48x = 626,680.32 × 252,912
  4. Step 4: Simplify right side
    454,116.48x = 158,494,973,091.84
  5. Step 5: Solve for x
    x = 158,494,973,091.84/454,116.48
  6. Step 6: Final answer
    x = 349,018.32

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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.