Home / 414,981.72-572,939.61-338,683.08

Finding the Fourth Proportional to 414,981.72, 572,939.61 and 338,683.08

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Solution

The fourth proportional to 414,981.72, 572,939.61 and 338,683.08 is: 467,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,981.72 : 572,939.61 = 338,683.08 : x
  2. Step 2: Convert to fraction form
    414,981.72/572,939.61 = 338,683.08/x
  3. Step 3: Cross multiply
    414,981.72x = 572,939.61 × 338,683.08
  4. Step 4: Simplify right side
    414,981.72x = 194,044,951,768.80
  5. Step 5: Solve for x
    x = 194,044,951,768.80/414,981.72
  6. Step 6: Final answer
    x = 467,598.79

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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.