Home / 1,217,643.26-1,680,349.72-673,801.94

Finding the Fourth Proportional to 1,217,643.26, 1,680,349.72 and 673,801.94

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Solution

The fourth proportional to 1,217,643.26, 1,680,349.72 and 673,801.94 is: 929,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,643.26 : 1,680,349.72 = 673,801.94 : x
  2. Step 2: Convert to fraction form
    1,217,643.26/1,680,349.72 = 673,801.94/x
  3. Step 3: Cross multiply
    1,217,643.26x = 1,680,349.72 × 673,801.94
  4. Step 4: Simplify right side
    1,217,643.26x = 1,132,222,901,214.46
  5. Step 5: Solve for x
    x = 1,132,222,901,214.46/1,217,643.26
  6. Step 6: Final answer
    x = 929,847.80

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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.