Home / 1,436,980.21-1,983,080.56-783,641.97

Finding the Fourth Proportional to 1,436,980.21, 1,983,080.56 and 783,641.97

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Solution

The fourth proportional to 1,436,980.21, 1,983,080.56 and 783,641.97 is: 1,081,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,980.21 : 1,983,080.56 = 783,641.97 : x
  2. Step 2: Convert to fraction form
    1,436,980.21/1,983,080.56 = 783,641.97/x
  3. Step 3: Cross multiply
    1,436,980.21x = 1,983,080.56 × 783,641.97
  4. Step 4: Simplify right side
    1,436,980.21x = 1,554,025,147,831.19
  5. Step 5: Solve for x
    x = 1,554,025,147,831.19/1,436,980.21
  6. Step 6: Final answer
    x = 1,081,452.02

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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.