Home / 1,900,405.63-2,850,018.62-685,824.53

Finding the Fourth Proportional to 1,900,405.63, 2,850,018.62 and 685,824.53

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Solution

The fourth proportional to 1,900,405.63, 2,850,018.62 and 685,824.53 is: 1,028,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,405.63 : 2,850,018.62 = 685,824.53 : x
  2. Step 2: Convert to fraction form
    1,900,405.63/2,850,018.62 = 685,824.53/x
  3. Step 3: Cross multiply
    1,900,405.63x = 2,850,018.62 × 685,824.53
  4. Step 4: Simplify right side
    1,900,405.63x = 1,954,612,680,552.75
  5. Step 5: Solve for x
    x = 1,954,612,680,552.75/1,900,405.63
  6. Step 6: Final answer
    x = 1,028,523.94

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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.