Home / 624,930.93-862,405.38-338,451.35

Finding the Fourth Proportional to 624,930.93, 862,405.38 and 338,451.35

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Solution

The fourth proportional to 624,930.93, 862,405.38 and 338,451.35 is: 467,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,930.93 : 862,405.38 = 338,451.35 : x
  2. Step 2: Convert to fraction form
    624,930.93/862,405.38 = 338,451.35/x
  3. Step 3: Cross multiply
    624,930.93x = 862,405.38 × 338,451.35
  4. Step 4: Simplify right side
    624,930.93x = 291,882,260,796.24
  5. Step 5: Solve for x
    x = 291,882,260,796.24/624,930.93
  6. Step 6: Final answer
    x = 467,063.23

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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.