Home / 1,217,558.69-1,680,906.71-734,246.27

Finding the Fourth Proportional to 1,217,558.69, 1,680,906.71 and 734,246.27

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Solution

The fourth proportional to 1,217,558.69, 1,680,906.71 and 734,246.27 is: 1,013,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,558.69 : 1,680,906.71 = 734,246.27 : x
  2. Step 2: Convert to fraction form
    1,217,558.69/1,680,906.71 = 734,246.27/x
  3. Step 3: Cross multiply
    1,217,558.69x = 1,680,906.71 × 734,246.27
  4. Step 4: Simplify right side
    1,217,558.69x = 1,234,199,478,364.24
  5. Step 5: Solve for x
    x = 1,234,199,478,364.24/1,217,558.69
  6. Step 6: Final answer
    x = 1,013,667.34

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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.