Home / 1,058,695.89-1,587,150.95-459,205.49

Finding the Fourth Proportional to 1,058,695.89, 1,587,150.95 and 459,205.49

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Solution

The fourth proportional to 1,058,695.89, 1,587,150.95 and 459,205.49 is: 688,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,695.89 : 1,587,150.95 = 459,205.49 : x
  2. Step 2: Convert to fraction form
    1,058,695.89/1,587,150.95 = 459,205.49/x
  3. Step 3: Cross multiply
    1,058,695.89x = 1,587,150.95 × 459,205.49
  4. Step 4: Simplify right side
    1,058,695.89x = 728,828,419,466.93
  5. Step 5: Solve for x
    x = 728,828,419,466.93/1,058,695.89
  6. Step 6: Final answer
    x = 688,420.94

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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.