Home / 445,121.96-614,248.26-243,913.64

Finding the Fourth Proportional to 445,121.96, 614,248.26 and 243,913.64

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Solution

The fourth proportional to 445,121.96, 614,248.26 and 243,913.64 is: 336,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,121.96 : 614,248.26 = 243,913.64 : x
  2. Step 2: Convert to fraction form
    445,121.96/614,248.26 = 243,913.64/x
  3. Step 3: Cross multiply
    445,121.96x = 614,248.26 × 243,913.64
  4. Step 4: Simplify right side
    445,121.96x = 149,823,528,960.27
  5. Step 5: Solve for x
    x = 149,823,528,960.27/445,121.96
  6. Step 6: Final answer
    x = 336,589.84

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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.