Home / 764,110.80-1,054,411.20-441,841.76

Finding the Fourth Proportional to 764,110.80, 1,054,411.20 and 441,841.76

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Solution

The fourth proportional to 764,110.80, 1,054,411.20 and 441,841.76 is: 609,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,110.80 : 1,054,411.20 = 441,841.76 : x
  2. Step 2: Convert to fraction form
    764,110.80/1,054,411.20 = 441,841.76/x
  3. Step 3: Cross multiply
    764,110.80x = 1,054,411.20 × 441,841.76
  4. Step 4: Simplify right side
    764,110.80x = 465,882,900,371.71
  5. Step 5: Solve for x
    x = 465,882,900,371.71/764,110.80
  6. Step 6: Final answer
    x = 609,705.95

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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.