Home / 1,334,546.88-1,842,123.60-811,255.56

Finding the Fourth Proportional to 1,334,546.88, 1,842,123.60 and 811,255.56

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Solution

The fourth proportional to 1,334,546.88, 1,842,123.60 and 811,255.56 is: 1,119,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,546.88 : 1,842,123.60 = 811,255.56 : x
  2. Step 2: Convert to fraction form
    1,334,546.88/1,842,123.60 = 811,255.56/x
  3. Step 3: Cross multiply
    1,334,546.88x = 1,842,123.60 × 811,255.56
  4. Step 4: Simplify right side
    1,334,546.88x = 1,494,433,012,707.22
  5. Step 5: Solve for x
    x = 1,494,433,012,707.22/1,334,546.88
  6. Step 6: Final answer
    x = 1,119,805.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.