Home / 630,669.54-945,441.87-231,217.23

Finding the Fourth Proportional to 630,669.54, 945,441.87 and 231,217.23

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Solution

The fourth proportional to 630,669.54, 945,441.87 and 231,217.23 is: 346,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,669.54 : 945,441.87 = 231,217.23 : x
  2. Step 2: Convert to fraction form
    630,669.54/945,441.87 = 231,217.23/x
  3. Step 3: Cross multiply
    630,669.54x = 945,441.87 × 231,217.23
  4. Step 4: Simplify right side
    630,669.54x = 218,602,454,286.36
  5. Step 5: Solve for x
    x = 218,602,454,286.36/630,669.54
  6. Step 6: Final answer
    x = 346,619.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.