Home / 1,205,709.17-1,663,882.29-661,900.68

Finding the Fourth Proportional to 1,205,709.17, 1,663,882.29 and 661,900.68

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Solution

The fourth proportional to 1,205,709.17, 1,663,882.29 and 661,900.68 is: 913,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,709.17 : 1,663,882.29 = 661,900.68 : x
  2. Step 2: Convert to fraction form
    1,205,709.17/1,663,882.29 = 661,900.68/x
  3. Step 3: Cross multiply
    1,205,709.17x = 1,663,882.29 × 661,900.68
  4. Step 4: Simplify right side
    1,205,709.17x = 1,101,324,819,190.96
  5. Step 5: Solve for x
    x = 1,101,324,819,190.96/1,205,709.17
  6. Step 6: Final answer
    x = 913,424.94

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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.