Home / 976,874.20-1,465,311.30-808,912.60

Finding the Fourth Proportional to 976,874.20, 1,465,311.30 and 808,912.60

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Solution

The fourth proportional to 976,874.20, 1,465,311.30 and 808,912.60 is: 1,213,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,874.20 : 1,465,311.30 = 808,912.60 : x
  2. Step 2: Convert to fraction form
    976,874.20/1,465,311.30 = 808,912.60/x
  3. Step 3: Cross multiply
    976,874.20x = 1,465,311.30 × 808,912.60
  4. Step 4: Simplify right side
    976,874.20x = 1,185,308,773,492.38
  5. Step 5: Solve for x
    x = 1,185,308,773,492.38/976,874.20
  6. Step 6: Final answer
    x = 1,213,368.90

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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.