Home / 399,303.58-551,087.26-227,263.38

Finding the Fourth Proportional to 399,303.58, 551,087.26 and 227,263.38

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Solution

The fourth proportional to 399,303.58, 551,087.26 and 227,263.38 is: 313,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,303.58 : 551,087.26 = 227,263.38 : x
  2. Step 2: Convert to fraction form
    399,303.58/551,087.26 = 227,263.38/x
  3. Step 3: Cross multiply
    399,303.58x = 551,087.26 × 227,263.38
  4. Step 4: Simplify right side
    399,303.58x = 125,241,953,382.54
  5. Step 5: Solve for x
    x = 125,241,953,382.54/399,303.58
  6. Step 6: Final answer
    x = 313,650.97

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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.