Home / 1,334,213.42-1,999,643.43-953,150.54

Finding the Fourth Proportional to 1,334,213.42, 1,999,643.43 and 953,150.54

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Solution

The fourth proportional to 1,334,213.42, 1,999,643.43 and 953,150.54 is: 1,428,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,213.42 : 1,999,643.43 = 953,150.54 : x
  2. Step 2: Convert to fraction form
    1,334,213.42/1,999,643.43 = 953,150.54/x
  3. Step 3: Cross multiply
    1,334,213.42x = 1,999,643.43 × 953,150.54
  4. Step 4: Simplify right side
    1,334,213.42x = 1,905,961,215,111.95
  5. Step 5: Solve for x
    x = 1,905,961,215,111.95/1,334,213.42
  6. Step 6: Final answer
    x = 1,428,527.99

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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.