Home / 1,092,817.20-1,639,225.80-919,606.80

Finding the Fourth Proportional to 1,092,817.20, 1,639,225.80 and 919,606.80

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Solution

The fourth proportional to 1,092,817.20, 1,639,225.80 and 919,606.80 is: 1,379,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,817.20 : 1,639,225.80 = 919,606.80 : x
  2. Step 2: Convert to fraction form
    1,092,817.20/1,639,225.80 = 919,606.80/x
  3. Step 3: Cross multiply
    1,092,817.20x = 1,639,225.80 × 919,606.80
  4. Step 4: Simplify right side
    1,092,817.20x = 1,507,443,192,415.44
  5. Step 5: Solve for x
    x = 1,507,443,192,415.44/1,092,817.20
  6. Step 6: Final answer
    x = 1,379,410.20

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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.