Home / 938,673.44-1,405,971.12-577,744.16

Finding the Fourth Proportional to 938,673.44, 1,405,971.12 and 577,744.16

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Solution

The fourth proportional to 938,673.44, 1,405,971.12 and 577,744.16 is: 865,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,673.44 : 1,405,971.12 = 577,744.16 : x
  2. Step 2: Convert to fraction form
    938,673.44/1,405,971.12 = 577,744.16/x
  3. Step 3: Cross multiply
    938,673.44x = 1,405,971.12 × 577,744.16
  4. Step 4: Simplify right side
    938,673.44x = 812,291,603,708.66
  5. Step 5: Solve for x
    x = 812,291,603,708.66/938,673.44
  6. Step 6: Final answer
    x = 865,361.23

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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.