Home / 1,104,487.81-1,524,162.87-621,040.51

Finding the Fourth Proportional to 1,104,487.81, 1,524,162.87 and 621,040.51

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Solution

The fourth proportional to 1,104,487.81, 1,524,162.87 and 621,040.51 is: 857,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,487.81 : 1,524,162.87 = 621,040.51 : x
  2. Step 2: Convert to fraction form
    1,104,487.81/1,524,162.87 = 621,040.51/x
  3. Step 3: Cross multiply
    1,104,487.81x = 1,524,162.87 × 621,040.51
  4. Step 4: Simplify right side
    1,104,487.81x = 946,566,886,107.86
  5. Step 5: Solve for x
    x = 946,566,886,107.86/1,104,487.81
  6. Step 6: Final answer
    x = 857,018.86

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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.