Home / 1,314,094.80-1,971,158-515,752.32

Finding the Fourth Proportional to 1,314,094.80, 1,971,158 and 515,752.32

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Solution

The fourth proportional to 1,314,094.80, 1,971,158 and 515,752.32 is: 773,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,094.80 : 1,971,158 = 515,752.32 : x
  2. Step 2: Convert to fraction form
    1,314,094.80/1,971,158 = 515,752.32/x
  3. Step 3: Cross multiply
    1,314,094.80x = 1,971,158 × 515,752.32
  4. Step 4: Simplify right side
    1,314,094.80x = 1,016,629,311,586.56
  5. Step 5: Solve for x
    x = 1,016,629,311,586.56/1,314,094.80
  6. Step 6: Final answer
    x = 773,634.68

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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.