Home / 818,446.32-1,129,512.66-496,170

Finding the Fourth Proportional to 818,446.32, 1,129,512.66 and 496,170

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Solution

The fourth proportional to 818,446.32, 1,129,512.66 and 496,170 is: 684,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,446.32 : 1,129,512.66 = 496,170 : x
  2. Step 2: Convert to fraction form
    818,446.32/1,129,512.66 = 496,170/x
  3. Step 3: Cross multiply
    818,446.32x = 1,129,512.66 × 496,170
  4. Step 4: Simplify right side
    818,446.32x = 560,430,296,512.20
  5. Step 5: Solve for x
    x = 560,430,296,512.20/818,446.32
  6. Step 6: Final answer
    x = 684,749.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.