Home / 1,217,640.26-1,680,345.57-673,798.94

Finding the Fourth Proportional to 1,217,640.26, 1,680,345.57 and 673,798.94

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Solution

The fourth proportional to 1,217,640.26, 1,680,345.57 and 673,798.94 is: 929,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,640.26 : 1,680,345.57 = 673,798.94 : x
  2. Step 2: Convert to fraction form
    1,217,640.26/1,680,345.57 = 673,798.94/x
  3. Step 3: Cross multiply
    1,217,640.26x = 1,680,345.57 × 673,798.94
  4. Step 4: Simplify right side
    1,217,640.26x = 1,132,215,063,899.70
  5. Step 5: Solve for x
    x = 1,132,215,063,899.70/1,217,640.26
  6. Step 6: Final answer
    x = 929,843.65

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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.