Home / 1,427,015.93-2,140,881.11-416,138.00

Finding the Fourth Proportional to 1,427,015.93, 2,140,881.11 and 416,138.00

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Solution

The fourth proportional to 1,427,015.93, 2,140,881.11 and 416,138.00 is: 624,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,015.93 : 2,140,881.11 = 416,138.00 : x
  2. Step 2: Convert to fraction form
    1,427,015.93/2,140,881.11 = 416,138.00/x
  3. Step 3: Cross multiply
    1,427,015.93x = 2,140,881.11 × 416,138.00
  4. Step 4: Simplify right side
    1,427,015.93x = 890,901,991,362.67
  5. Step 5: Solve for x
    x = 890,901,991,362.67/1,427,015.93
  6. Step 6: Final answer
    x = 624,311.17

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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.