Home / 876,843.60-1,314,609.30-477,934.80

Finding the Fourth Proportional to 876,843.60, 1,314,609.30 and 477,934.80

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Solution

The fourth proportional to 876,843.60, 1,314,609.30 and 477,934.80 is: 716,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,843.60 : 1,314,609.30 = 477,934.80 : x
  2. Step 2: Convert to fraction form
    876,843.60/1,314,609.30 = 477,934.80/x
  3. Step 3: Cross multiply
    876,843.60x = 1,314,609.30 × 477,934.80
  4. Step 4: Simplify right side
    876,843.60x = 628,297,532,873.64
  5. Step 5: Solve for x
    x = 628,297,532,873.64/876,843.60
  6. Step 6: Final answer
    x = 716,544.58

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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.