Home / 1,285,639.85-1,928,476.17-886,173.36

Finding the Fourth Proportional to 1,285,639.85, 1,928,476.17 and 886,173.36

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Solution

The fourth proportional to 1,285,639.85, 1,928,476.17 and 886,173.36 is: 1,329,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,639.85 : 1,928,476.17 = 886,173.36 : x
  2. Step 2: Convert to fraction form
    1,285,639.85/1,928,476.17 = 886,173.36/x
  3. Step 3: Cross multiply
    1,285,639.85x = 1,928,476.17 × 886,173.36
  4. Step 4: Simplify right side
    1,285,639.85x = 1,708,964,213,357.09
  5. Step 5: Solve for x
    x = 1,708,964,213,357.09/1,285,639.85
  6. Step 6: Final answer
    x = 1,329,271.35

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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.