Home / 454,276.69-626,901.90-263,400.82

Finding the Fourth Proportional to 454,276.69, 626,901.90 and 263,400.82

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Solution

The fourth proportional to 454,276.69, 626,901.90 and 263,400.82 is: 363,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,276.69 : 626,901.90 = 263,400.82 : x
  2. Step 2: Convert to fraction form
    454,276.69/626,901.90 = 263,400.82/x
  3. Step 3: Cross multiply
    454,276.69x = 626,901.90 × 263,400.82
  4. Step 4: Simplify right side
    454,276.69x = 165,126,474,519.56
  5. Step 5: Solve for x
    x = 165,126,474,519.56/454,276.69
  6. Step 6: Final answer
    x = 363,493.17

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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.