Home / 1,058,633.96-1,587,058.35-459,143.74

Finding the Fourth Proportional to 1,058,633.96, 1,587,058.35 and 459,143.74

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Solution

The fourth proportional to 1,058,633.96, 1,587,058.35 and 459,143.74 is: 688,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,633.96 : 1,587,058.35 = 459,143.74 : x
  2. Step 2: Convert to fraction form
    1,058,633.96/1,587,058.35 = 459,143.74/x
  3. Step 3: Cross multiply
    1,058,633.96x = 1,587,058.35 × 459,143.74
  4. Step 4: Simplify right side
    1,058,633.96x = 728,687,906,679.26
  5. Step 5: Solve for x
    x = 728,687,906,679.26/1,058,633.96
  6. Step 6: Final answer
    x = 688,328.49

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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.