Home / 706,289.60-1,058,512.80-327,166.40

Finding the Fourth Proportional to 706,289.60, 1,058,512.80 and 327,166.40

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Solution

The fourth proportional to 706,289.60, 1,058,512.80 and 327,166.40 is: 490,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,289.60 : 1,058,512.80 = 327,166.40 : x
  2. Step 2: Convert to fraction form
    706,289.60/1,058,512.80 = 327,166.40/x
  3. Step 3: Cross multiply
    706,289.60x = 1,058,512.80 × 327,166.40
  4. Step 4: Simplify right side
    706,289.60x = 346,309,822,129.92
  5. Step 5: Solve for x
    x = 346,309,822,129.92/706,289.60
  6. Step 6: Final answer
    x = 490,322.70

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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.