Home / 1,900,619.96-2,850,326.33-620,935.79

Finding the Fourth Proportional to 1,900,619.96, 2,850,326.33 and 620,935.79

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Solution

The fourth proportional to 1,900,619.96, 2,850,326.33 and 620,935.79 is: 931,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,619.96 : 2,850,326.33 = 620,935.79 : x
  2. Step 2: Convert to fraction form
    1,900,619.96/2,850,326.33 = 620,935.79/x
  3. Step 3: Cross multiply
    1,900,619.96x = 2,850,326.33 × 620,935.79
  4. Step 4: Simplify right side
    1,900,619.96x = 1,769,869,614,120.04
  5. Step 5: Solve for x
    x = 1,769,869,614,120.04/1,900,619.96
  6. Step 6: Final answer
    x = 931,206.48

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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.