Home / 324,629.60-486,944.40-103,013.60

Finding the Fourth Proportional to 324,629.60, 486,944.40 and 103,013.60

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Solution

The fourth proportional to 324,629.60, 486,944.40 and 103,013.60 is: 154,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,629.60 : 486,944.40 = 103,013.60 : x
  2. Step 2: Convert to fraction form
    324,629.60/486,944.40 = 103,013.60/x
  3. Step 3: Cross multiply
    324,629.60x = 486,944.40 × 103,013.60
  4. Step 4: Simplify right side
    324,629.60x = 50,161,895,643.84
  5. Step 5: Solve for x
    x = 50,161,895,643.84/324,629.60
  6. Step 6: Final answer
    x = 154,520.40

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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.