Home / 1,654,787.20-2,283,529.44-919,707.28

Finding the Fourth Proportional to 1,654,787.20, 2,283,529.44 and 919,707.28

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Solution

The fourth proportional to 1,654,787.20, 2,283,529.44 and 919,707.28 is: 1,269,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,787.20 : 2,283,529.44 = 919,707.28 : x
  2. Step 2: Convert to fraction form
    1,654,787.20/2,283,529.44 = 919,707.28/x
  3. Step 3: Cross multiply
    1,654,787.20x = 2,283,529.44 × 919,707.28
  4. Step 4: Simplify right side
    1,654,787.20x = 2,100,178,650,062.32
  5. Step 5: Solve for x
    x = 2,100,178,650,062.32/1,654,787.20
  6. Step 6: Final answer
    x = 1,269,153.31

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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.