Home / 367,822.06-507,654.60-306,470.90

Finding the Fourth Proportional to 367,822.06, 507,654.60 and 306,470.90

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Solution

The fourth proportional to 367,822.06, 507,654.60 and 306,470.90 is: 422,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,822.06 : 507,654.60 = 306,470.90 : x
  2. Step 2: Convert to fraction form
    367,822.06/507,654.60 = 306,470.90/x
  3. Step 3: Cross multiply
    367,822.06x = 507,654.60 × 306,470.90
  4. Step 4: Simplify right side
    367,822.06x = 155,581,362,151.14
  5. Step 5: Solve for x
    x = 155,581,362,151.14/367,822.06
  6. Step 6: Final answer
    x = 422,979.97

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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.