Home / 939,768.56-1,296,847.72-510,040.08

Finding the Fourth Proportional to 939,768.56, 1,296,847.72 and 510,040.08

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Solution

The fourth proportional to 939,768.56, 1,296,847.72 and 510,040.08 is: 703,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,768.56 : 1,296,847.72 = 510,040.08 : x
  2. Step 2: Convert to fraction form
    939,768.56/1,296,847.72 = 510,040.08/x
  3. Step 3: Cross multiply
    939,768.56x = 1,296,847.72 × 510,040.08
  4. Step 4: Simplify right side
    939,768.56x = 661,444,314,856.62
  5. Step 5: Solve for x
    x = 661,444,314,856.62/939,768.56
  6. Step 6: Final answer
    x = 703,837.46

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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.