Home / 1,247,297.56-1,721,270.74-674,337.56

Finding the Fourth Proportional to 1,247,297.56, 1,721,270.74 and 674,337.56

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Solution

The fourth proportional to 1,247,297.56, 1,721,270.74 and 674,337.56 is: 930,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,297.56 : 1,721,270.74 = 674,337.56 : x
  2. Step 2: Convert to fraction form
    1,247,297.56/1,721,270.74 = 674,337.56/x
  3. Step 3: Cross multiply
    1,247,297.56x = 1,721,270.74 × 674,337.56
  4. Step 4: Simplify right side
    1,247,297.56x = 1,160,717,510,910.99
  5. Step 5: Solve for x
    x = 1,160,717,510,910.99/1,247,297.56
  6. Step 6: Final answer
    x = 930,585.89

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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.