Home / 919,548.14-1,268,786.31-537,501.02

Finding the Fourth Proportional to 919,548.14, 1,268,786.31 and 537,501.02

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Solution

The fourth proportional to 919,548.14, 1,268,786.31 and 537,501.02 is: 741,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,548.14 : 1,268,786.31 = 537,501.02 : x
  2. Step 2: Convert to fraction form
    919,548.14/1,268,786.31 = 537,501.02/x
  3. Step 3: Cross multiply
    919,548.14x = 1,268,786.31 × 537,501.02
  4. Step 4: Simplify right side
    919,548.14x = 681,973,935,787.04
  5. Step 5: Solve for x
    x = 681,973,935,787.04/919,548.14
  6. Step 6: Final answer
    x = 741,640.28

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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.