Home / 1,219,345.56-1,682,696.58-675,516.66

Finding the Fourth Proportional to 1,219,345.56, 1,682,696.58 and 675,516.66

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Solution

The fourth proportional to 1,219,345.56, 1,682,696.58 and 675,516.66 is: 932,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,345.56 : 1,682,696.58 = 675,516.66 : x
  2. Step 2: Convert to fraction form
    1,219,345.56/1,682,696.58 = 675,516.66/x
  3. Step 3: Cross multiply
    1,219,345.56x = 1,682,696.58 × 675,516.66
  4. Step 4: Simplify right side
    1,219,345.56x = 1,136,689,573,515.02
  5. Step 5: Solve for x
    x = 1,136,689,573,515.02/1,219,345.56
  6. Step 6: Final answer
    x = 932,212.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.