Home / 1,149,311.79-1,586,050.20-666,157.14

Finding the Fourth Proportional to 1,149,311.79, 1,586,050.20 and 666,157.14

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Solution

The fourth proportional to 1,149,311.79, 1,586,050.20 and 666,157.14 is: 919,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,311.79 : 1,586,050.20 = 666,157.14 : x
  2. Step 2: Convert to fraction form
    1,149,311.79/1,586,050.20 = 666,157.14/x
  3. Step 3: Cross multiply
    1,149,311.79x = 1,586,050.20 × 666,157.14
  4. Step 4: Simplify right side
    1,149,311.79x = 1,056,558,665,128.43
  5. Step 5: Solve for x
    x = 1,056,558,665,128.43/1,149,311.79
  6. Step 6: Final answer
    x = 919,296.81

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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.