Home / 1,217,935.41-1,680,699.21-674,020.35

Finding the Fourth Proportional to 1,217,935.41, 1,680,699.21 and 674,020.35

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Solution

The fourth proportional to 1,217,935.41, 1,680,699.21 and 674,020.35 is: 930,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,935.41 : 1,680,699.21 = 674,020.35 : x
  2. Step 2: Convert to fraction form
    1,217,935.41/1,680,699.21 = 674,020.35/x
  3. Step 3: Cross multiply
    1,217,935.41x = 1,680,699.21 × 674,020.35
  4. Step 4: Simplify right side
    1,217,935.41x = 1,132,825,469,768.92
  5. Step 5: Solve for x
    x = 1,132,825,469,768.92/1,217,935.41
  6. Step 6: Final answer
    x = 930,119.50

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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.