Home / 1,058,662.17-1,587,100.47-459,171.75

Finding the Fourth Proportional to 1,058,662.17, 1,587,100.47 and 459,171.75

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Solution

The fourth proportional to 1,058,662.17, 1,587,100.47 and 459,171.75 is: 688,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,662.17 : 1,587,100.47 = 459,171.75 : x
  2. Step 2: Convert to fraction form
    1,058,662.17/1,587,100.47 = 459,171.75/x
  3. Step 3: Cross multiply
    1,058,662.17x = 1,587,100.47 × 459,171.75
  4. Step 4: Simplify right side
    1,058,662.17x = 728,751,700,235.72
  5. Step 5: Solve for x
    x = 728,751,700,235.72/1,058,662.17
  6. Step 6: Final answer
    x = 688,370.40

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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.