Home / 1,057,659.20-1,588,821.60-1,018,001.60

Finding the Fourth Proportional to 1,057,659.20, 1,588,821.60 and 1,018,001.60

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Solution

The fourth proportional to 1,057,659.20, 1,588,821.60 and 1,018,001.60 is: 1,529,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,659.20 : 1,588,821.60 = 1,018,001.60 : x
  2. Step 2: Convert to fraction form
    1,057,659.20/1,588,821.60 = 1,018,001.60/x
  3. Step 3: Cross multiply
    1,057,659.20x = 1,588,821.60 × 1,018,001.60
  4. Step 4: Simplify right side
    1,057,659.20x = 1,617,422,930,914.56
  5. Step 5: Solve for x
    x = 1,617,422,930,914.56/1,057,659.20
  6. Step 6: Final answer
    x = 1,529,247.73

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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.