Home / 1,143,910.94-1,578,544.14-627,651.98

Finding the Fourth Proportional to 1,143,910.94, 1,578,544.14 and 627,651.98

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Solution

The fourth proportional to 1,143,910.94, 1,578,544.14 and 627,651.98 is: 866,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,910.94 : 1,578,544.14 = 627,651.98 : x
  2. Step 2: Convert to fraction form
    1,143,910.94/1,578,544.14 = 627,651.98/x
  3. Step 3: Cross multiply
    1,143,910.94x = 1,578,544.14 × 627,651.98
  4. Step 4: Simplify right side
    1,143,910.94x = 990,776,347,095.68
  5. Step 5: Solve for x
    x = 990,776,347,095.68/1,143,910.94
  6. Step 6: Final answer
    x = 866,130.67

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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.