Home / 823,040.64-1,135,577.04-564,996.50

Finding the Fourth Proportional to 823,040.64, 1,135,577.04 and 564,996.50

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Solution

The fourth proportional to 823,040.64, 1,135,577.04 and 564,996.50 is: 779,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,040.64 : 1,135,577.04 = 564,996.50 : x
  2. Step 2: Convert to fraction form
    823,040.64/1,135,577.04 = 564,996.50/x
  3. Step 3: Cross multiply
    823,040.64x = 1,135,577.04 × 564,996.50
  4. Step 4: Simplify right side
    823,040.64x = 641,597,053,080.36
  5. Step 5: Solve for x
    x = 641,597,053,080.36/823,040.64
  6. Step 6: Final answer
    x = 779,544.80

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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.