Home / 627,516.72-941,266.80-154,206.24

Finding the Fourth Proportional to 627,516.72, 941,266.80 and 154,206.24

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Solution

The fourth proportional to 627,516.72, 941,266.80 and 154,206.24 is: 231,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,516.72 : 941,266.80 = 154,206.24 : x
  2. Step 2: Convert to fraction form
    627,516.72/941,266.80 = 154,206.24/x
  3. Step 3: Cross multiply
    627,516.72x = 941,266.80 × 154,206.24
  4. Step 4: Simplify right side
    627,516.72x = 145,149,214,064.83
  5. Step 5: Solve for x
    x = 145,149,214,064.83/627,516.72
  6. Step 6: Final answer
    x = 231,307.33

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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.