Home / 929,788.46-1,283,037.66-521,811.51

Finding the Fourth Proportional to 929,788.46, 1,283,037.66 and 521,811.51

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Solution

The fourth proportional to 929,788.46, 1,283,037.66 and 521,811.51 is: 720,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,788.46 : 1,283,037.66 = 521,811.51 : x
  2. Step 2: Convert to fraction form
    929,788.46/1,283,037.66 = 521,811.51/x
  3. Step 3: Cross multiply
    929,788.46x = 1,283,037.66 × 521,811.51
  4. Step 4: Simplify right side
    929,788.46x = 669,503,820,621.88
  5. Step 5: Solve for x
    x = 669,503,820,621.88/929,788.46
  6. Step 6: Final answer
    x = 720,060.37

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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.