Home / 1,781,620.20-2,670,680.70-883,200.60

Finding the Fourth Proportional to 1,781,620.20, 2,670,680.70 and 883,200.60

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Solution

The fourth proportional to 1,781,620.20, 2,670,680.70 and 883,200.60 is: 1,323,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,620.20 : 2,670,680.70 = 883,200.60 : x
  2. Step 2: Convert to fraction form
    1,781,620.20/2,670,680.70 = 883,200.60/x
  3. Step 3: Cross multiply
    1,781,620.20x = 2,670,680.70 × 883,200.60
  4. Step 4: Simplify right side
    1,781,620.20x = 2,358,746,796,648.42
  5. Step 5: Solve for x
    x = 2,358,746,796,648.42/1,781,620.20
  6. Step 6: Final answer
    x = 1,323,933.57

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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.