Home / 1,570,511.70-2,355,767.55-1,255,583.70

Finding the Fourth Proportional to 1,570,511.70, 2,355,767.55 and 1,255,583.70

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Solution

The fourth proportional to 1,570,511.70, 2,355,767.55 and 1,255,583.70 is: 1,883,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,511.70 : 2,355,767.55 = 1,255,583.70 : x
  2. Step 2: Convert to fraction form
    1,570,511.70/2,355,767.55 = 1,255,583.70/x
  3. Step 3: Cross multiply
    1,570,511.70x = 2,355,767.55 × 1,255,583.70
  4. Step 4: Simplify right side
    1,570,511.70x = 2,957,863,336,768.93
  5. Step 5: Solve for x
    x = 2,957,863,336,768.93/1,570,511.70
  6. Step 6: Final answer
    x = 1,883,375.55

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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.