Home / 1,542,923.24-2,314,754.21-643,864.75

Finding the Fourth Proportional to 1,542,923.24, 2,314,754.21 and 643,864.75

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Solution

The fourth proportional to 1,542,923.24, 2,314,754.21 and 643,864.75 is: 965,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,923.24 : 2,314,754.21 = 643,864.75 : x
  2. Step 2: Convert to fraction form
    1,542,923.24/2,314,754.21 = 643,864.75/x
  3. Step 3: Cross multiply
    1,542,923.24x = 2,314,754.21 × 643,864.75
  4. Step 4: Simplify right side
    1,542,923.24x = 1,490,388,636,555.87
  5. Step 5: Solve for x
    x = 1,490,388,636,555.87/1,542,923.24
  6. Step 6: Final answer
    x = 965,951.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.