Home / 1,661,178.51-2,292,933.03-963,635.61

Finding the Fourth Proportional to 1,661,178.51, 2,292,933.03 and 963,635.61

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Solution

The fourth proportional to 1,661,178.51, 2,292,933.03 and 963,635.61 is: 1,330,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,178.51 : 2,292,933.03 = 963,635.61 : x
  2. Step 2: Convert to fraction form
    1,661,178.51/2,292,933.03 = 963,635.61/x
  3. Step 3: Cross multiply
    1,661,178.51x = 2,292,933.03 × 963,635.61
  4. Step 4: Simplify right side
    1,661,178.51x = 2,209,551,919,053.20
  5. Step 5: Solve for x
    x = 2,209,551,919,053.20/1,661,178.51
  6. Step 6: Final answer
    x = 1,330,111.07

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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.