Home / 699,606.59-1,049,593.14-219,815.01

Finding the Fourth Proportional to 699,606.59, 1,049,593.14 and 219,815.01

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Solution

The fourth proportional to 699,606.59, 1,049,593.14 and 219,815.01 is: 329,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,606.59 : 1,049,593.14 = 219,815.01 : x
  2. Step 2: Convert to fraction form
    699,606.59/1,049,593.14 = 219,815.01/x
  3. Step 3: Cross multiply
    699,606.59x = 1,049,593.14 × 219,815.01
  4. Step 4: Simplify right side
    699,606.59x = 230,716,326,565.03
  5. Step 5: Solve for x
    x = 230,716,326,565.03/699,606.59
  6. Step 6: Final answer
    x = 329,780.10

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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.