Home / 1,911,644.77-2,867,474.67-774,428.46

Finding the Fourth Proportional to 1,911,644.77, 2,867,474.67 and 774,428.46

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Solution

The fourth proportional to 1,911,644.77, 2,867,474.67 and 774,428.46 is: 1,161,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,644.77 : 2,867,474.67 = 774,428.46 : x
  2. Step 2: Convert to fraction form
    1,911,644.77/2,867,474.67 = 774,428.46/x
  3. Step 3: Cross multiply
    1,911,644.77x = 2,867,474.67 × 774,428.46
  4. Step 4: Simplify right side
    1,911,644.77x = 2,220,653,999,605.68
  5. Step 5: Solve for x
    x = 2,220,653,999,605.68/1,911,644.77
  6. Step 6: Final answer
    x = 1,161,645.74

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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.