Home / 1,613,816.48-2,421,087.60-491,998.88

Finding the Fourth Proportional to 1,613,816.48, 2,421,087.60 and 491,998.88

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Solution

The fourth proportional to 1,613,816.48, 2,421,087.60 and 491,998.88 is: 738,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,816.48 : 2,421,087.60 = 491,998.88 : x
  2. Step 2: Convert to fraction form
    1,613,816.48/2,421,087.60 = 491,998.88/x
  3. Step 3: Cross multiply
    1,613,816.48x = 2,421,087.60 × 491,998.88
  4. Step 4: Simplify right side
    1,613,816.48x = 1,191,172,387,581.89
  5. Step 5: Solve for x
    x = 1,191,172,387,581.89/1,613,816.48
  6. Step 6: Final answer
    x = 738,108.95

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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.