Home / 1,058,705.86-1,587,165.88-459,215.64

Finding the Fourth Proportional to 1,058,705.86, 1,587,165.88 and 459,215.64

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Solution

The fourth proportional to 1,058,705.86, 1,587,165.88 and 459,215.64 is: 688,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,705.86 : 1,587,165.88 = 459,215.64 : x
  2. Step 2: Convert to fraction form
    1,058,705.86/1,587,165.88 = 459,215.64/x
  3. Step 3: Cross multiply
    1,058,705.86x = 1,587,165.88 × 459,215.64
  4. Step 4: Simplify right side
    1,058,705.86x = 728,851,395,370.36
  5. Step 5: Solve for x
    x = 728,851,395,370.36/1,058,705.86
  6. Step 6: Final answer
    x = 688,436.16

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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.