Home / 840,534.14-1,159,912.22-477,997.58

Finding the Fourth Proportional to 840,534.14, 1,159,912.22 and 477,997.58

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Solution

The fourth proportional to 840,534.14, 1,159,912.22 and 477,997.58 is: 659,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,534.14 : 1,159,912.22 = 477,997.58 : x
  2. Step 2: Convert to fraction form
    840,534.14/1,159,912.22 = 477,997.58/x
  3. Step 3: Cross multiply
    840,534.14x = 1,159,912.22 × 477,997.58
  4. Step 4: Simplify right side
    840,534.14x = 554,435,234,172.43
  5. Step 5: Solve for x
    x = 554,435,234,172.43/840,534.14
  6. Step 6: Final answer
    x = 659,622.50

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1.5x scale

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.