Home / 2,911,181.31-4,366,170.54-780,759

Finding the Fourth Proportional to 2,911,181.31, 4,366,170.54 and 780,759

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Solution

The fourth proportional to 2,911,181.31, 4,366,170.54 and 780,759 is: 1,170,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,181.31 : 4,366,170.54 = 780,759 : x
  2. Step 2: Convert to fraction form
    2,911,181.31/4,366,170.54 = 780,759/x
  3. Step 3: Cross multiply
    2,911,181.31x = 4,366,170.54 × 780,759
  4. Step 4: Simplify right side
    2,911,181.31x = 3,408,926,944,639.86
  5. Step 5: Solve for x
    x = 3,408,926,944,639.86/2,911,181.31
  6. Step 6: Final answer
    x = 1,170,977.20

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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.