Home / 844,112.51-1,165,039.20-639,807.08

Finding the Fourth Proportional to 844,112.51, 1,165,039.20 and 639,807.08

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Solution

The fourth proportional to 844,112.51, 1,165,039.20 and 639,807.08 is: 883,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,112.51 : 1,165,039.20 = 639,807.08 : x
  2. Step 2: Convert to fraction form
    844,112.51/1,165,039.20 = 639,807.08/x
  3. Step 3: Cross multiply
    844,112.51x = 1,165,039.20 × 639,807.08
  4. Step 4: Simplify right side
    844,112.51x = 745,400,328,637.54
  5. Step 5: Solve for x
    x = 745,400,328,637.54/844,112.51
  6. Step 6: Final answer
    x = 883,058.03

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1.5x scale

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.