Home / 1,183,696.11-1,633,499.55-639,831.87

Finding the Fourth Proportional to 1,183,696.11, 1,633,499.55 and 639,831.87

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Solution

The fourth proportional to 1,183,696.11, 1,633,499.55 and 639,831.87 is: 882,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,696.11 : 1,633,499.55 = 639,831.87 : x
  2. Step 2: Convert to fraction form
    1,183,696.11/1,633,499.55 = 639,831.87/x
  3. Step 3: Cross multiply
    1,183,696.11x = 1,633,499.55 × 639,831.87
  4. Step 4: Simplify right side
    1,183,696.11x = 1,045,165,071,720.66
  5. Step 5: Solve for x
    x = 1,045,165,071,720.66/1,183,696.11
  6. Step 6: Final answer
    x = 882,967.40

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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.