Home / 1,058,625.86-1,587,046.17-459,135.50

Finding the Fourth Proportional to 1,058,625.86, 1,587,046.17 and 459,135.50

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Solution

The fourth proportional to 1,058,625.86, 1,587,046.17 and 459,135.50 is: 688,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,625.86 : 1,587,046.17 = 459,135.50 : x
  2. Step 2: Convert to fraction form
    1,058,625.86/1,587,046.17 = 459,135.50/x
  3. Step 3: Cross multiply
    1,058,625.86x = 1,587,046.17 × 459,135.50
  4. Step 4: Simplify right side
    1,058,625.86x = 728,669,236,786.04
  5. Step 5: Solve for x
    x = 728,669,236,786.04/1,058,625.86
  6. Step 6: Final answer
    x = 688,316.11

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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.