Home / 976,766.40-1,465,149.60-819,302.40

Finding the Fourth Proportional to 976,766.40, 1,465,149.60 and 819,302.40

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Solution

The fourth proportional to 976,766.40, 1,465,149.60 and 819,302.40 is: 1,228,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,766.40 : 1,465,149.60 = 819,302.40 : x
  2. Step 2: Convert to fraction form
    976,766.40/1,465,149.60 = 819,302.40/x
  3. Step 3: Cross multiply
    976,766.40x = 1,465,149.60 × 819,302.40
  4. Step 4: Simplify right side
    976,766.40x = 1,200,400,583,639.04
  5. Step 5: Solve for x
    x = 1,200,400,583,639.04/976,766.40
  6. Step 6: Final answer
    x = 1,228,953.60

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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.