Home / 454,180.37-626,738.92-272,784.51

Finding the Fourth Proportional to 454,180.37, 626,738.92 and 272,784.51

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Solution

The fourth proportional to 454,180.37, 626,738.92 and 272,784.51 is: 376,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,180.37 : 626,738.92 = 272,784.51 : x
  2. Step 2: Convert to fraction form
    454,180.37/626,738.92 = 272,784.51/x
  3. Step 3: Cross multiply
    454,180.37x = 626,738.92 × 272,784.51
  4. Step 4: Simplify right side
    454,180.37x = 170,964,668,508.17
  5. Step 5: Solve for x
    x = 170,964,668,508.17/454,180.37
  6. Step 6: Final answer
    x = 376,424.61

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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.