Home / 1,270,265.00-1,905,771.80-511,716.12

Finding the Fourth Proportional to 1,270,265.00, 1,905,771.80 and 511,716.12

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Solution

The fourth proportional to 1,270,265.00, 1,905,771.80 and 511,716.12 is: 767,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,265.00 : 1,905,771.80 = 511,716.12 : x
  2. Step 2: Convert to fraction form
    1,270,265.00/1,905,771.80 = 511,716.12/x
  3. Step 3: Cross multiply
    1,270,265.00x = 1,905,771.80 × 511,716.12
  4. Step 4: Simplify right side
    1,270,265.00x = 975,214,142,355.66
  5. Step 5: Solve for x
    x = 975,214,142,355.66/1,270,265.00
  6. Step 6: Final answer
    x = 767,724.96

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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.