Home / 367,786.57-507,771.91-291,613.36

Finding the Fourth Proportional to 367,786.57, 507,771.91 and 291,613.36

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Solution

The fourth proportional to 367,786.57, 507,771.91 and 291,613.36 is: 402,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,786.57 : 507,771.91 = 291,613.36 : x
  2. Step 2: Convert to fraction form
    367,786.57/507,771.91 = 291,613.36/x
  3. Step 3: Cross multiply
    367,786.57x = 507,771.91 × 291,613.36
  4. Step 4: Simplify right side
    367,786.57x = 148,073,073,329.11
  5. Step 5: Solve for x
    x = 148,073,073,329.11/367,786.57
  6. Step 6: Final answer
    x = 402,605.98

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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.