Home / 1,217,561.94-1,680,911.19-734,249.52

Finding the Fourth Proportional to 1,217,561.94, 1,680,911.19 and 734,249.52

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Solution

The fourth proportional to 1,217,561.94, 1,680,911.19 and 734,249.52 is: 1,013,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,561.94 : 1,680,911.19 = 734,249.52 : x
  2. Step 2: Convert to fraction form
    1,217,561.94/1,680,911.19 = 734,249.52/x
  3. Step 3: Cross multiply
    1,217,561.94x = 1,680,911.19 × 734,249.52
  4. Step 4: Simplify right side
    1,217,561.94x = 1,234,208,234,420.13
  5. Step 5: Solve for x
    x = 1,234,208,234,420.13/1,217,561.94
  6. Step 6: Final answer
    x = 1,013,671.83

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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.