Home / 886,819.20-1,330,425.36-255,683.76

Finding the Fourth Proportional to 886,819.20, 1,330,425.36 and 255,683.76

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Solution

The fourth proportional to 886,819.20, 1,330,425.36 and 255,683.76 is: 383,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,819.20 : 1,330,425.36 = 255,683.76 : x
  2. Step 2: Convert to fraction form
    886,819.20/1,330,425.36 = 255,683.76/x
  3. Step 3: Cross multiply
    886,819.20x = 1,330,425.36 × 255,683.76
  4. Step 4: Simplify right side
    886,819.20x = 340,168,158,444.15
  5. Step 5: Solve for x
    x = 340,168,158,444.15/886,819.20
  6. Step 6: Final answer
    x = 383,582.31

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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.