Home / 301,719.63-452,579.44-77,080.56

Finding the Fourth Proportional to 301,719.63, 452,579.44 and 77,080.56

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Solution

The fourth proportional to 301,719.63, 452,579.44 and 77,080.56 is: 115,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,719.63 : 452,579.44 = 77,080.56 : x
  2. Step 2: Convert to fraction form
    301,719.63/452,579.44 = 77,080.56/x
  3. Step 3: Cross multiply
    301,719.63x = 452,579.44 × 77,080.56
  4. Step 4: Simplify right side
    301,719.63x = 34,885,076,679.69
  5. Step 5: Solve for x
    x = 34,885,076,679.69/301,719.63
  6. Step 6: Final answer
    x = 115,620.84

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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.