Home / 985,378.19-1,477,608-511,936.43

Finding the Fourth Proportional to 985,378.19, 1,477,608 and 511,936.43

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Solution

The fourth proportional to 985,378.19, 1,477,608 and 511,936.43 is: 767,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,378.19 : 1,477,608 = 511,936.43 : x
  2. Step 2: Convert to fraction form
    985,378.19/1,477,608 = 511,936.43/x
  3. Step 3: Cross multiply
    985,378.19x = 1,477,608 × 511,936.43
  4. Step 4: Simplify right side
    985,378.19x = 756,441,364,459.44
  5. Step 5: Solve for x
    x = 756,441,364,459.44/985,378.19
  6. Step 6: Final answer
    x = 767,666.03

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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.