Home / 1,228,967.37-1,696,075.92-677,790.87

Finding the Fourth Proportional to 1,228,967.37, 1,696,075.92 and 677,790.87

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Solution

The fourth proportional to 1,228,967.37, 1,696,075.92 and 677,790.87 is: 935,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,967.37 : 1,696,075.92 = 677,790.87 : x
  2. Step 2: Convert to fraction form
    1,228,967.37/1,696,075.92 = 677,790.87/x
  3. Step 3: Cross multiply
    1,228,967.37x = 1,696,075.92 × 677,790.87
  4. Step 4: Simplify right side
    1,228,967.37x = 1,149,584,764,500.85
  5. Step 5: Solve for x
    x = 1,149,584,764,500.85/1,228,967.37
  6. Step 6: Final answer
    x = 935,407.07

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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.