Home / 825,022.14-1,237,886.12-345,362.03

Finding the Fourth Proportional to 825,022.14, 1,237,886.12 and 345,362.03

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Solution

The fourth proportional to 825,022.14, 1,237,886.12 and 345,362.03 is: 518,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,022.14 : 1,237,886.12 = 345,362.03 : x
  2. Step 2: Convert to fraction form
    825,022.14/1,237,886.12 = 345,362.03/x
  3. Step 3: Cross multiply
    825,022.14x = 1,237,886.12 × 345,362.03
  4. Step 4: Simplify right side
    825,022.14x = 427,518,855,395.78
  5. Step 5: Solve for x
    x = 427,518,855,395.78/825,022.14
  6. Step 6: Final answer
    x = 518,190.77

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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.