Home / 706,601.20-1,058,346.60-425,628.40

Finding the Fourth Proportional to 706,601.20, 1,058,346.60 and 425,628.40

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Solution

The fourth proportional to 706,601.20, 1,058,346.60 and 425,628.40 is: 637,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,601.20 : 1,058,346.60 = 425,628.40 : x
  2. Step 2: Convert to fraction form
    706,601.20/1,058,346.60 = 425,628.40/x
  3. Step 3: Cross multiply
    706,601.20x = 1,058,346.60 × 425,628.40
  4. Step 4: Simplify right side
    706,601.20x = 450,462,370,003.44
  5. Step 5: Solve for x
    x = 450,462,370,003.44/706,601.20
  6. Step 6: Final answer
    x = 637,505.81

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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.