Home / 367,723.35-507,518.53-306,372.40

Finding the Fourth Proportional to 367,723.35, 507,518.53 and 306,372.40

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Solution

The fourth proportional to 367,723.35, 507,518.53 and 306,372.40 is: 422,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,723.35 : 507,518.53 = 306,372.40 : x
  2. Step 2: Convert to fraction form
    367,723.35/507,518.53 = 306,372.40/x
  3. Step 3: Cross multiply
    367,723.35x = 507,518.53 × 306,372.40
  4. Step 4: Simplify right side
    367,723.35x = 155,489,668,045.85
  5. Step 5: Solve for x
    x = 155,489,668,045.85/367,723.35
  6. Step 6: Final answer
    x = 422,844.15

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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.