Home / 763,035.48-1,052,745.38-440,703

Finding the Fourth Proportional to 763,035.48, 1,052,745.38 and 440,703

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Solution

The fourth proportional to 763,035.48, 1,052,745.38 and 440,703 is: 608,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,035.48 : 1,052,745.38 = 440,703 : x
  2. Step 2: Convert to fraction form
    763,035.48/1,052,745.38 = 440,703/x
  3. Step 3: Cross multiply
    763,035.48x = 1,052,745.38 × 440,703
  4. Step 4: Simplify right side
    763,035.48x = 463,948,047,202.14
  5. Step 5: Solve for x
    x = 463,948,047,202.14/763,035.48
  6. Step 6: Final answer
    x = 608,029.46

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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.