Home / 1,298,916.33-1,791,339.87-1,081,845.66

Finding the Fourth Proportional to 1,298,916.33, 1,791,339.87 and 1,081,845.66

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Solution

The fourth proportional to 1,298,916.33, 1,791,339.87 and 1,081,845.66 is: 1,491,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,916.33 : 1,791,339.87 = 1,081,845.66 : x
  2. Step 2: Convert to fraction form
    1,298,916.33/1,791,339.87 = 1,081,845.66/x
  3. Step 3: Cross multiply
    1,298,916.33x = 1,791,339.87 × 1,081,845.66
  4. Step 4: Simplify right side
    1,298,916.33x = 1,937,953,263,944.46
  5. Step 5: Solve for x
    x = 1,937,953,263,944.46/1,298,916.33
  6. Step 6: Final answer
    x = 1,491,976.98

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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.