Home / 944,388.40-1,416,928.20-383,479.60

Finding the Fourth Proportional to 944,388.40, 1,416,928.20 and 383,479.60

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Solution

The fourth proportional to 944,388.40, 1,416,928.20 and 383,479.60 is: 575,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,388.40 : 1,416,928.20 = 383,479.60 : x
  2. Step 2: Convert to fraction form
    944,388.40/1,416,928.20 = 383,479.60/x
  3. Step 3: Cross multiply
    944,388.40x = 1,416,928.20 × 383,479.60
  4. Step 4: Simplify right side
    944,388.40x = 543,363,059,364.72
  5. Step 5: Solve for x
    x = 543,363,059,364.72/944,388.40
  6. Step 6: Final answer
    x = 575,359.73

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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.