Home / 974,811.40-1,462,217.10-820,846.60

Finding the Fourth Proportional to 974,811.40, 1,462,217.10 and 820,846.60

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Solution

The fourth proportional to 974,811.40, 1,462,217.10 and 820,846.60 is: 1,231,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,811.40 : 1,462,217.10 = 820,846.60 : x
  2. Step 2: Convert to fraction form
    974,811.40/1,462,217.10 = 820,846.60/x
  3. Step 3: Cross multiply
    974,811.40x = 1,462,217.10 × 820,846.60
  4. Step 4: Simplify right side
    974,811.40x = 1,200,255,934,996.86
  5. Step 5: Solve for x
    x = 1,200,255,934,996.86/974,811.40
  6. Step 6: Final answer
    x = 1,231,269.90

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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.