Home / 454,025.66-626,555.38-263,149.77

Finding the Fourth Proportional to 454,025.66, 626,555.38 and 263,149.77

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Solution

The fourth proportional to 454,025.66, 626,555.38 and 263,149.77 is: 363,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,025.66 : 626,555.38 = 263,149.77 : x
  2. Step 2: Convert to fraction form
    454,025.66/626,555.38 = 263,149.77/x
  3. Step 3: Cross multiply
    454,025.66x = 626,555.38 × 263,149.77
  4. Step 4: Simplify right side
    454,025.66x = 164,877,901,131.81
  5. Step 5: Solve for x
    x = 164,877,901,131.81/454,025.66
  6. Step 6: Final answer
    x = 363,146.66

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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.