Home / 399,436.83-551,226.60-227,346.39

Finding the Fourth Proportional to 399,436.83, 551,226.60 and 227,346.39

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Solution

The fourth proportional to 399,436.83, 551,226.60 and 227,346.39 is: 313,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,436.83 : 551,226.60 = 227,346.39 : x
  2. Step 2: Convert to fraction form
    399,436.83/551,226.60 = 227,346.39/x
  3. Step 3: Cross multiply
    399,436.83x = 551,226.60 × 227,346.39
  4. Step 4: Simplify right side
    399,436.83x = 125,319,377,581.97
  5. Step 5: Solve for x
    x = 125,319,377,581.97/399,436.83
  6. Step 6: Final answer
    x = 313,740.17

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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.