Home / 699,821.19-1,049,106.66-273,257.77

Finding the Fourth Proportional to 699,821.19, 1,049,106.66 and 273,257.77

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Solution

The fourth proportional to 699,821.19, 1,049,106.66 and 273,257.77 is: 409,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,821.19 : 1,049,106.66 = 273,257.77 : x
  2. Step 2: Convert to fraction form
    699,821.19/1,049,106.66 = 273,257.77/x
  3. Step 3: Cross multiply
    699,821.19x = 1,049,106.66 × 273,257.77
  4. Step 4: Simplify right side
    699,821.19x = 286,676,550,706.92
  5. Step 5: Solve for x
    x = 286,676,550,706.92/699,821.19
  6. Step 6: Final answer
    x = 409,642.57

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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.