Home / 1,122,351.64-1,683,527.46-412,072.36

Finding the Fourth Proportional to 1,122,351.64, 1,683,527.46 and 412,072.36

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Solution

The fourth proportional to 1,122,351.64, 1,683,527.46 and 412,072.36 is: 618,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,351.64 : 1,683,527.46 = 412,072.36 : x
  2. Step 2: Convert to fraction form
    1,122,351.64/1,683,527.46 = 412,072.36/x
  3. Step 3: Cross multiply
    1,122,351.64x = 1,683,527.46 × 412,072.36
  4. Step 4: Simplify right side
    1,122,351.64x = 693,735,133,567.01
  5. Step 5: Solve for x
    x = 693,735,133,567.01/1,122,351.64
  6. Step 6: Final answer
    x = 618,108.54

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Double scale
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Similar ratio
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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.