Home / 1,863,567.81-2,795,414.29-515,617.65

Finding the Fourth Proportional to 1,863,567.81, 2,795,414.29 and 515,617.65

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Solution

The fourth proportional to 1,863,567.81, 2,795,414.29 and 515,617.65 is: 773,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,567.81 : 2,795,414.29 = 515,617.65 : x
  2. Step 2: Convert to fraction form
    1,863,567.81/2,795,414.29 = 515,617.65/x
  3. Step 3: Cross multiply
    1,863,567.81x = 2,795,414.29 × 515,617.65
  4. Step 4: Simplify right side
    1,863,567.81x = 1,441,364,945,697.17
  5. Step 5: Solve for x
    x = 1,441,364,945,697.17/1,863,567.81
  6. Step 6: Final answer
    x = 773,443.79

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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.