Home / 699,823.19-1,049,109.66-273,259.77

Finding the Fourth Proportional to 699,823.19, 1,049,109.66 and 273,259.77

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Solution

The fourth proportional to 699,823.19, 1,049,109.66 and 273,259.77 is: 409,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,823.19 : 1,049,109.66 = 273,259.77 : x
  2. Step 2: Convert to fraction form
    699,823.19/1,049,109.66 = 273,259.77/x
  3. Step 3: Cross multiply
    699,823.19x = 1,049,109.66 × 273,259.77
  4. Step 4: Simplify right side
    699,823.19x = 286,679,464,396.38
  5. Step 5: Solve for x
    x = 286,679,464,396.38/699,823.19
  6. Step 6: Final answer
    x = 409,645.56

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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.