Home / 1,058,721.98-1,587,190.01-459,231.57

Finding the Fourth Proportional to 1,058,721.98, 1,587,190.01 and 459,231.57

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Solution

The fourth proportional to 1,058,721.98, 1,587,190.01 and 459,231.57 is: 688,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,721.98 : 1,587,190.01 = 459,231.57 : x
  2. Step 2: Convert to fraction form
    1,058,721.98/1,587,190.01 = 459,231.57/x
  3. Step 3: Cross multiply
    1,058,721.98x = 1,587,190.01 × 459,231.57
  4. Step 4: Simplify right side
    1,058,721.98x = 728,887,757,884.46
  5. Step 5: Solve for x
    x = 728,887,757,884.46/1,058,721.98
  6. Step 6: Final answer
    x = 688,460.03

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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.