Home / 1,263,587.55-1,743,725.17-690,631.82

Finding the Fourth Proportional to 1,263,587.55, 1,743,725.17 and 690,631.82

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Solution

The fourth proportional to 1,263,587.55, 1,743,725.17 and 690,631.82 is: 953,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,587.55 : 1,743,725.17 = 690,631.82 : x
  2. Step 2: Convert to fraction form
    1,263,587.55/1,743,725.17 = 690,631.82/x
  3. Step 3: Cross multiply
    1,263,587.55x = 1,743,725.17 × 690,631.82
  4. Step 4: Simplify right side
    1,263,587.55x = 1,204,272,086,420.54
  5. Step 5: Solve for x
    x = 1,204,272,086,420.54/1,263,587.55
  6. Step 6: Final answer
    x = 953,057.89

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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.