Home / 763,914.48-1,053,833.40-508,939.44

Finding the Fourth Proportional to 763,914.48, 1,053,833.40 and 508,939.44

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Solution

The fourth proportional to 763,914.48, 1,053,833.40 and 508,939.44 is: 702,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,914.48 : 1,053,833.40 = 508,939.44 : x
  2. Step 2: Convert to fraction form
    763,914.48/1,053,833.40 = 508,939.44/x
  3. Step 3: Cross multiply
    763,914.48x = 1,053,833.40 × 508,939.44
  4. Step 4: Simplify right side
    763,914.48x = 536,337,380,449.30
  5. Step 5: Solve for x
    x = 536,337,380,449.30/763,914.48
  6. Step 6: Final answer
    x = 702,090.87

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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.