Home / 987,585.51-1,362,863.79-552,002.27

Finding the Fourth Proportional to 987,585.51, 1,362,863.79 and 552,002.27

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Solution

The fourth proportional to 987,585.51, 1,362,863.79 and 552,002.27 is: 761,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,585.51 : 1,362,863.79 = 552,002.27 : x
  2. Step 2: Convert to fraction form
    987,585.51/1,362,863.79 = 552,002.27/x
  3. Step 3: Cross multiply
    987,585.51x = 1,362,863.79 × 552,002.27
  4. Step 4: Simplify right side
    987,585.51x = 752,303,909,187.96
  5. Step 5: Solve for x
    x = 752,303,909,187.96/987,585.51
  6. Step 6: Final answer
    x = 761,760.78

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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.