Home / 1,217,768.31-1,680,523.54-673,941.60

Finding the Fourth Proportional to 1,217,768.31, 1,680,523.54 and 673,941.60

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Solution

The fourth proportional to 1,217,768.31, 1,680,523.54 and 673,941.60 is: 930,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,768.31 : 1,680,523.54 = 673,941.60 : x
  2. Step 2: Convert to fraction form
    1,217,768.31/1,680,523.54 = 673,941.60/x
  3. Step 3: Cross multiply
    1,217,768.31x = 1,680,523.54 × 673,941.60
  4. Step 4: Simplify right side
    1,217,768.31x = 1,132,574,723,385.26
  5. Step 5: Solve for x
    x = 1,132,574,723,385.26/1,217,768.31
  6. Step 6: Final answer
    x = 930,041.22

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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.