Home / 450,135.33-621,178.01-246,185.60

Finding the Fourth Proportional to 450,135.33, 621,178.01 and 246,185.60

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Solution

The fourth proportional to 450,135.33, 621,178.01 and 246,185.60 is: 339,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,135.33 : 621,178.01 = 246,185.60 : x
  2. Step 2: Convert to fraction form
    450,135.33/621,178.01 = 246,185.60/x
  3. Step 3: Cross multiply
    450,135.33x = 621,178.01 × 246,185.60
  4. Step 4: Simplify right side
    450,135.33x = 152,925,079,069.83
  5. Step 5: Solve for x
    x = 152,925,079,069.83/450,135.33
  6. Step 6: Final answer
    x = 339,731.34

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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.