Home / 1,247,816.05-1,721,986.14-674,856.22

Finding the Fourth Proportional to 1,247,816.05, 1,721,986.14 and 674,856.22

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Solution

The fourth proportional to 1,247,816.05, 1,721,986.14 and 674,856.22 is: 931,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,816.05 : 1,721,986.14 = 674,856.22 : x
  2. Step 2: Convert to fraction form
    1,247,816.05/1,721,986.14 = 674,856.22/x
  3. Step 3: Cross multiply
    1,247,816.05x = 1,721,986.14 × 674,856.22
  4. Step 4: Simplify right side
    1,247,816.05x = 1,162,093,057,332.79
  5. Step 5: Solve for x
    x = 1,162,093,057,332.79/1,247,816.05
  6. Step 6: Final answer
    x = 931,301.58

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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.