Home / 1,114,639.74-1,538,334.18-661,930.74

Finding the Fourth Proportional to 1,114,639.74, 1,538,334.18 and 661,930.74

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Solution

The fourth proportional to 1,114,639.74, 1,538,334.18 and 661,930.74 is: 913,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,639.74 : 1,538,334.18 = 661,930.74 : x
  2. Step 2: Convert to fraction form
    1,114,639.74/1,538,334.18 = 661,930.74/x
  3. Step 3: Cross multiply
    1,114,639.74x = 1,538,334.18 × 661,930.74
  4. Step 4: Simplify right side
    1,114,639.74x = 1,018,270,682,134.69
  5. Step 5: Solve for x
    x = 1,018,270,682,134.69/1,114,639.74
  6. Step 6: Final answer
    x = 913,542.42

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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.