Home / 1,058,821.90-1,588,232.85-988,837.90

Finding the Fourth Proportional to 1,058,821.90, 1,588,232.85 and 988,837.90

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Solution

The fourth proportional to 1,058,821.90, 1,588,232.85 and 988,837.90 is: 1,483,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,821.90 : 1,588,232.85 = 988,837.90 : x
  2. Step 2: Convert to fraction form
    1,058,821.90/1,588,232.85 = 988,837.90/x
  3. Step 3: Cross multiply
    1,058,821.90x = 1,588,232.85 × 988,837.90
  4. Step 4: Simplify right side
    1,058,821.90x = 1,570,504,836,105.02
  5. Step 5: Solve for x
    x = 1,570,504,836,105.02/1,058,821.90
  6. Step 6: Final answer
    x = 1,483,256.85

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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.