Home / 1,407,006.54-1,940,955.84-889,889.51

Finding the Fourth Proportional to 1,407,006.54, 1,940,955.84 and 889,889.51

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Solution

The fourth proportional to 1,407,006.54, 1,940,955.84 and 889,889.51 is: 1,227,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,006.54 : 1,940,955.84 = 889,889.51 : x
  2. Step 2: Convert to fraction form
    1,407,006.54/1,940,955.84 = 889,889.51/x
  3. Step 3: Cross multiply
    1,407,006.54x = 1,940,955.84 × 889,889.51
  4. Step 4: Simplify right side
    1,407,006.54x = 1,727,236,246,241.63
  5. Step 5: Solve for x
    x = 1,727,236,246,241.63/1,407,006.54
  6. Step 6: Final answer
    x = 1,227,596.46

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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.