Home / 433,221.48-649,834.04-284,403.42

Finding the Fourth Proportional to 433,221.48, 649,834.04 and 284,403.42

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Solution

The fourth proportional to 433,221.48, 649,834.04 and 284,403.42 is: 426,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,221.48 : 649,834.04 = 284,403.42 : x
  2. Step 2: Convert to fraction form
    433,221.48/649,834.04 = 284,403.42/x
  3. Step 3: Cross multiply
    433,221.48x = 649,834.04 × 284,403.42
  4. Step 4: Simplify right side
    433,221.48x = 184,815,024,119.43
  5. Step 5: Solve for x
    x = 184,815,024,119.43/433,221.48
  6. Step 6: Final answer
    x = 426,606.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.