Home / 1,183,697-1,633,542.18-647,187.56

Finding the Fourth Proportional to 1,183,697, 1,633,542.18 and 647,187.56

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Solution

The fourth proportional to 1,183,697, 1,633,542.18 and 647,187.56 is: 893,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,697 : 1,633,542.18 = 647,187.56 : x
  2. Step 2: Convert to fraction form
    1,183,697/1,633,542.18 = 647,187.56/x
  3. Step 3: Cross multiply
    1,183,697x = 1,633,542.18 × 647,187.56
  4. Step 4: Simplify right side
    1,183,697x = 1,057,208,177,631.28
  5. Step 5: Solve for x
    x = 1,057,208,177,631.28/1,183,697
  6. Step 6: Final answer
    x = 893,140.88

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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.