Home / 445,529.20-668,293.80-370,733.80

Finding the Fourth Proportional to 445,529.20, 668,293.80 and 370,733.80

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Solution

The fourth proportional to 445,529.20, 668,293.80 and 370,733.80 is: 556,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,529.20 : 668,293.80 = 370,733.80 : x
  2. Step 2: Convert to fraction form
    445,529.20/668,293.80 = 370,733.80/x
  3. Step 3: Cross multiply
    445,529.20x = 668,293.80 × 370,733.80
  4. Step 4: Simplify right side
    445,529.20x = 247,759,099,990.44
  5. Step 5: Solve for x
    x = 247,759,099,990.44/445,529.20
  6. Step 6: Final answer
    x = 556,100.70

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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.