Home / 1,419,564.84-1,959,111.27-807,743.36

Finding the Fourth Proportional to 1,419,564.84, 1,959,111.27 and 807,743.36

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Solution

The fourth proportional to 1,419,564.84, 1,959,111.27 and 807,743.36 is: 1,114,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,564.84 : 1,959,111.27 = 807,743.36 : x
  2. Step 2: Convert to fraction form
    1,419,564.84/1,959,111.27 = 807,743.36/x
  3. Step 3: Cross multiply
    1,419,564.84x = 1,959,111.27 × 807,743.36
  4. Step 4: Simplify right side
    1,419,564.84x = 1,582,459,110,048.11
  5. Step 5: Solve for x
    x = 1,582,459,110,048.11/1,419,564.84
  6. Step 6: Final answer
    x = 1,114,749.44

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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.