Home / 1,183,453.68-1,633,166.28-639,587.64

Finding the Fourth Proportional to 1,183,453.68, 1,633,166.28 and 639,587.64

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Solution

The fourth proportional to 1,183,453.68, 1,633,166.28 and 639,587.64 is: 882,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,453.68 : 1,633,166.28 = 639,587.64 : x
  2. Step 2: Convert to fraction form
    1,183,453.68/1,633,166.28 = 639,587.64/x
  3. Step 3: Cross multiply
    1,183,453.68x = 1,633,166.28 × 639,587.64
  4. Step 4: Simplify right side
    1,183,453.68x = 1,044,552,966,752.78
  5. Step 5: Solve for x
    x = 1,044,552,966,752.78/1,183,453.68
  6. Step 6: Final answer
    x = 882,631.05

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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.