Home / 1,409,768.64-1,945,428.57-765,175.14

Finding the Fourth Proportional to 1,409,768.64, 1,945,428.57 and 765,175.14

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Solution

The fourth proportional to 1,409,768.64, 1,945,428.57 and 765,175.14 is: 1,055,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,768.64 : 1,945,428.57 = 765,175.14 : x
  2. Step 2: Convert to fraction form
    1,409,768.64/1,945,428.57 = 765,175.14/x
  3. Step 3: Cross multiply
    1,409,768.64x = 1,945,428.57 × 765,175.14
  4. Step 4: Simplify right side
    1,409,768.64x = 1,488,593,578,409.75
  5. Step 5: Solve for x
    x = 1,488,593,578,409.75/1,409,768.64
  6. Step 6: Final answer
    x = 1,055,913.39

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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.