Home / 1,058,683.23-1,587,131.73-459,192.78

Finding the Fourth Proportional to 1,058,683.23, 1,587,131.73 and 459,192.78

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Solution

The fourth proportional to 1,058,683.23, 1,587,131.73 and 459,192.78 is: 688,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,683.23 : 1,587,131.73 = 459,192.78 : x
  2. Step 2: Convert to fraction form
    1,058,683.23/1,587,131.73 = 459,192.78/x
  3. Step 3: Cross multiply
    1,058,683.23x = 1,587,131.73 × 459,192.78
  4. Step 4: Simplify right side
    1,058,683.23x = 728,799,431,324.91
  5. Step 5: Solve for x
    x = 728,799,431,324.91/1,058,683.23
  6. Step 6: Final answer
    x = 688,401.79

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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.