Home / 751,566-1,037,705.40-483,760.56

Finding the Fourth Proportional to 751,566, 1,037,705.40 and 483,760.56

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Solution

The fourth proportional to 751,566, 1,037,705.40 and 483,760.56 is: 667,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,566 : 1,037,705.40 = 483,760.56 : x
  2. Step 2: Convert to fraction form
    751,566/1,037,705.40 = 483,760.56/x
  3. Step 3: Cross multiply
    751,566x = 1,037,705.40 × 483,760.56
  4. Step 4: Simplify right side
    751,566x = 502,000,945,419.02
  5. Step 5: Solve for x
    x = 502,000,945,419.02/751,566
  6. Step 6: Final answer
    x = 667,939.94

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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.