Home / 1,208,173.32-1,667,322-664,350.48

Finding the Fourth Proportional to 1,208,173.32, 1,667,322 and 664,350.48

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Solution

The fourth proportional to 1,208,173.32, 1,667,322 and 664,350.48 is: 916,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,173.32 : 1,667,322 = 664,350.48 : x
  2. Step 2: Convert to fraction form
    1,208,173.32/1,667,322 = 664,350.48/x
  3. Step 3: Cross multiply
    1,208,173.32x = 1,667,322 × 664,350.48
  4. Step 4: Simplify right side
    1,208,173.32x = 1,107,686,171,014.56
  5. Step 5: Solve for x
    x = 1,107,686,171,014.56/1,208,173.32
  6. Step 6: Final answer
    x = 916,827.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.