Home / 1,122,353.14-1,683,529.72-412,073.86

Finding the Fourth Proportional to 1,122,353.14, 1,683,529.72 and 412,073.86

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Solution

The fourth proportional to 1,122,353.14, 1,683,529.72 and 412,073.86 is: 618,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,353.14 : 1,683,529.72 = 412,073.86 : x
  2. Step 2: Convert to fraction form
    1,122,353.14/1,683,529.72 = 412,073.86/x
  3. Step 3: Cross multiply
    1,122,353.14x = 1,683,529.72 × 412,073.86
  4. Step 4: Simplify right side
    1,122,353.14x = 693,738,590,145.12
  5. Step 5: Solve for x
    x = 693,738,590,145.12/1,122,353.14
  6. Step 6: Final answer
    x = 618,110.79

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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.