Home / 699,429.80-1,049,663.10-462,693.80

Finding the Fourth Proportional to 699,429.80, 1,049,663.10 and 462,693.80

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Solution

The fourth proportional to 699,429.80, 1,049,663.10 and 462,693.80 is: 694,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,429.80 : 1,049,663.10 = 462,693.80 : x
  2. Step 2: Convert to fraction form
    699,429.80/1,049,663.10 = 462,693.80/x
  3. Step 3: Cross multiply
    699,429.80x = 1,049,663.10 × 462,693.80
  4. Step 4: Simplify right side
    699,429.80x = 485,672,608,458.78
  5. Step 5: Solve for x
    x = 485,672,608,458.78/699,429.80
  6. Step 6: Final answer
    x = 694,383.64

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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.