Home / 1,218,670.37-1,681,954.97-695,382.02

Finding the Fourth Proportional to 1,218,670.37, 1,681,954.97 and 695,382.02

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Solution

The fourth proportional to 1,218,670.37, 1,681,954.97 and 695,382.02 is: 959,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,670.37 : 1,681,954.97 = 695,382.02 : x
  2. Step 2: Convert to fraction form
    1,218,670.37/1,681,954.97 = 695,382.02/x
  3. Step 3: Cross multiply
    1,218,670.37x = 1,681,954.97 × 695,382.02
  4. Step 4: Simplify right side
    1,218,670.37x = 1,169,601,244,587.64
  5. Step 5: Solve for x
    x = 1,169,601,244,587.64/1,218,670.37
  6. Step 6: Final answer
    x = 959,735.52

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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.