Home / 1,968,643.22-2,953,211.18-770,410.83

Finding the Fourth Proportional to 1,968,643.22, 2,953,211.18 and 770,410.83

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Solution

The fourth proportional to 1,968,643.22, 2,953,211.18 and 770,410.83 is: 1,155,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,643.22 : 2,953,211.18 = 770,410.83 : x
  2. Step 2: Convert to fraction form
    1,968,643.22/2,953,211.18 = 770,410.83/x
  3. Step 3: Cross multiply
    1,968,643.22x = 2,953,211.18 × 770,410.83
  4. Step 4: Simplify right side
    1,968,643.22x = 2,275,185,872,497.03
  5. Step 5: Solve for x
    x = 2,275,185,872,497.03/1,968,643.22
  6. Step 6: Final answer
    x = 1,155,712.65

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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.