Home / 879,216.60-1,318,824.90-214,368.60

Finding the Fourth Proportional to 879,216.60, 1,318,824.90 and 214,368.60

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Solution

The fourth proportional to 879,216.60, 1,318,824.90 and 214,368.60 is: 321,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,216.60 : 1,318,824.90 = 214,368.60 : x
  2. Step 2: Convert to fraction form
    879,216.60/1,318,824.90 = 214,368.60/x
  3. Step 3: Cross multiply
    879,216.60x = 1,318,824.90 × 214,368.60
  4. Step 4: Simplify right side
    879,216.60x = 282,714,647,458.14
  5. Step 5: Solve for x
    x = 282,714,647,458.14/879,216.60
  6. Step 6: Final answer
    x = 321,552.90

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Similar ratio
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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.