Home / 2,777,920.40-4,166,880.60-783,376.40

Finding the Fourth Proportional to 2,777,920.40, 4,166,880.60 and 783,376.40

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Solution

The fourth proportional to 2,777,920.40, 4,166,880.60 and 783,376.40 is: 1,175,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,920.40 : 4,166,880.60 = 783,376.40 : x
  2. Step 2: Convert to fraction form
    2,777,920.40/4,166,880.60 = 783,376.40/x
  3. Step 3: Cross multiply
    2,777,920.40x = 4,166,880.60 × 783,376.40
  4. Step 4: Simplify right side
    2,777,920.40x = 3,264,235,923,657.84
  5. Step 5: Solve for x
    x = 3,264,235,923,657.84/2,777,920.40
  6. Step 6: Final answer
    x = 1,175,064.60

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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.