Home / 1,864,288.09-2,795,977.73-516,415.69

Finding the Fourth Proportional to 1,864,288.09, 2,795,977.73 and 516,415.69

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Solution

The fourth proportional to 1,864,288.09, 2,795,977.73 and 516,415.69 is: 774,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,288.09 : 2,795,977.73 = 516,415.69 : x
  2. Step 2: Convert to fraction form
    1,864,288.09/2,795,977.73 = 516,415.69/x
  3. Step 3: Cross multiply
    1,864,288.09x = 2,795,977.73 × 516,415.69
  4. Step 4: Simplify right side
    1,864,288.09x = 1,443,886,766,080.51
  5. Step 5: Solve for x
    x = 1,443,886,766,080.51/1,864,288.09
  6. Step 6: Final answer
    x = 774,497.66

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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.