Home / 1,397,888.09-1,932,523.27-1,385,100.32

Finding the Fourth Proportional to 1,397,888.09, 1,932,523.27 and 1,385,100.32

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Solution

The fourth proportional to 1,397,888.09, 1,932,523.27 and 1,385,100.32 is: 1,914,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,888.09 : 1,932,523.27 = 1,385,100.32 : x
  2. Step 2: Convert to fraction form
    1,397,888.09/1,932,523.27 = 1,385,100.32/x
  3. Step 3: Cross multiply
    1,397,888.09x = 1,932,523.27 × 1,385,100.32
  4. Step 4: Simplify right side
    1,397,888.09x = 2,676,738,586,559.08
  5. Step 5: Solve for x
    x = 2,676,738,586,559.08/1,397,888.09
  6. Step 6: Final answer
    x = 1,914,844.70

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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.