Home / 1,217,770.22-1,680,526.18-673,943.51

Finding the Fourth Proportional to 1,217,770.22, 1,680,526.18 and 673,943.51

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Solution

The fourth proportional to 1,217,770.22, 1,680,526.18 and 673,943.51 is: 930,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,770.22 : 1,680,526.18 = 673,943.51 : x
  2. Step 2: Convert to fraction form
    1,217,770.22/1,680,526.18 = 673,943.51/x
  3. Step 3: Cross multiply
    1,217,770.22x = 1,680,526.18 × 673,943.51
  4. Step 4: Simplify right side
    1,217,770.22x = 1,132,579,714,912.55
  5. Step 5: Solve for x
    x = 1,132,579,714,912.55/1,217,770.22
  6. Step 6: Final answer
    x = 930,043.86

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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.