Home / 445,577.40-668,366.10-414,084.60

Finding the Fourth Proportional to 445,577.40, 668,366.10 and 414,084.60

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Solution

The fourth proportional to 445,577.40, 668,366.10 and 414,084.60 is: 621,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,577.40 : 668,366.10 = 414,084.60 : x
  2. Step 2: Convert to fraction form
    445,577.40/668,366.10 = 414,084.60/x
  3. Step 3: Cross multiply
    445,577.40x = 668,366.10 × 414,084.60
  4. Step 4: Simplify right side
    445,577.40x = 276,760,109,172.06
  5. Step 5: Solve for x
    x = 276,760,109,172.06/445,577.40
  6. Step 6: Final answer
    x = 621,126.90

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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.