Home / 886,830.60-1,330,245.90-620,891.40

Finding the Fourth Proportional to 886,830.60, 1,330,245.90 and 620,891.40

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Solution

The fourth proportional to 886,830.60, 1,330,245.90 and 620,891.40 is: 931,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,830.60 : 1,330,245.90 = 620,891.40 : x
  2. Step 2: Convert to fraction form
    886,830.60/1,330,245.90 = 620,891.40/x
  3. Step 3: Cross multiply
    886,830.60x = 1,330,245.90 × 620,891.40
  4. Step 4: Simplify right side
    886,830.60x = 825,938,239,195.26
  5. Step 5: Solve for x
    x = 825,938,239,195.26/886,830.60
  6. Step 6: Final answer
    x = 931,337.10

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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.