Home / 842,340.75-1,263,048.42-414,936.15

Finding the Fourth Proportional to 842,340.75, 1,263,048.42 and 414,936.15

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Solution

The fourth proportional to 842,340.75, 1,263,048.42 and 414,936.15 is: 622,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,340.75 : 1,263,048.42 = 414,936.15 : x
  2. Step 2: Convert to fraction form
    842,340.75/1,263,048.42 = 414,936.15/x
  3. Step 3: Cross multiply
    842,340.75x = 1,263,048.42 × 414,936.15
  4. Step 4: Simplify right side
    842,340.75x = 524,084,454,384.40
  5. Step 5: Solve for x
    x = 524,084,454,384.40/842,340.75
  6. Step 6: Final answer
    x = 622,176.30

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1.5x scale

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.