Home / 1,639,004.60-2,261,661.06-913,784.12

Finding the Fourth Proportional to 1,639,004.60, 2,261,661.06 and 913,784.12

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Solution

The fourth proportional to 1,639,004.60, 2,261,661.06 and 913,784.12 is: 1,260,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,004.60 : 2,261,661.06 = 913,784.12 : x
  2. Step 2: Convert to fraction form
    1,639,004.60/2,261,661.06 = 913,784.12/x
  3. Step 3: Cross multiply
    1,639,004.60x = 2,261,661.06 × 913,784.12
  4. Step 4: Simplify right side
    1,639,004.60x = 2,066,669,961,450.37
  5. Step 5: Solve for x
    x = 2,066,669,961,450.37/1,639,004.60
  6. Step 6: Final answer
    x = 1,260,929.93

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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.