Home / 1,313,334.56-1,970,002.20-316,062.56

Finding the Fourth Proportional to 1,313,334.56, 1,970,002.20 and 316,062.56

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Solution

The fourth proportional to 1,313,334.56, 1,970,002.20 and 316,062.56 is: 474,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,334.56 : 1,970,002.20 = 316,062.56 : x
  2. Step 2: Convert to fraction form
    1,313,334.56/1,970,002.20 = 316,062.56/x
  3. Step 3: Cross multiply
    1,313,334.56x = 1,970,002.20 × 316,062.56
  4. Step 4: Simplify right side
    1,313,334.56x = 622,643,938,537.63
  5. Step 5: Solve for x
    x = 622,643,938,537.63/1,313,334.56
  6. Step 6: Final answer
    x = 474,093.93

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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.