Home / 1,058,705.49-1,587,165.25-459,215.07

Finding the Fourth Proportional to 1,058,705.49, 1,587,165.25 and 459,215.07

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Solution

The fourth proportional to 1,058,705.49, 1,587,165.25 and 459,215.07 is: 688,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,705.49 : 1,587,165.25 = 459,215.07 : x
  2. Step 2: Convert to fraction form
    1,058,705.49/1,587,165.25 = 459,215.07/x
  3. Step 3: Cross multiply
    1,058,705.49x = 1,587,165.25 × 459,215.07
  4. Step 4: Simplify right side
    1,058,705.49x = 728,850,201,380.32
  5. Step 5: Solve for x
    x = 728,850,201,380.32/1,058,705.49
  6. Step 6: Final answer
    x = 688,435.27

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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.