Home / 1,058,705.36-1,587,165.13-459,215.14

Finding the Fourth Proportional to 1,058,705.36, 1,587,165.13 and 459,215.14

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Solution

The fourth proportional to 1,058,705.36, 1,587,165.13 and 459,215.14 is: 688,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,705.36 : 1,587,165.13 = 459,215.14 : x
  2. Step 2: Convert to fraction form
    1,058,705.36/1,587,165.13 = 459,215.14/x
  3. Step 3: Cross multiply
    1,058,705.36x = 1,587,165.13 × 459,215.14
  4. Step 4: Simplify right side
    1,058,705.36x = 728,850,257,376.07
  5. Step 5: Solve for x
    x = 728,850,257,376.07/1,058,705.36
  6. Step 6: Final answer
    x = 688,435.41

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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.