Home / 1,342,847.70-2,014,271.55-1,277,529.30

Finding the Fourth Proportional to 1,342,847.70, 2,014,271.55 and 1,277,529.30

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Solution

The fourth proportional to 1,342,847.70, 2,014,271.55 and 1,277,529.30 is: 1,916,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,847.70 : 2,014,271.55 = 1,277,529.30 : x
  2. Step 2: Convert to fraction form
    1,342,847.70/2,014,271.55 = 1,277,529.30/x
  3. Step 3: Cross multiply
    1,342,847.70x = 2,014,271.55 × 1,277,529.30
  4. Step 4: Simplify right side
    1,342,847.70x = 2,573,290,923,281.42
  5. Step 5: Solve for x
    x = 2,573,290,923,281.42/1,342,847.70
  6. Step 6: Final answer
    x = 1,916,293.95

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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.