Home / 1,086,913.80-1,630,370.70-1,013,185.80

Finding the Fourth Proportional to 1,086,913.80, 1,630,370.70 and 1,013,185.80

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Solution

The fourth proportional to 1,086,913.80, 1,630,370.70 and 1,013,185.80 is: 1,519,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,913.80 : 1,630,370.70 = 1,013,185.80 : x
  2. Step 2: Convert to fraction form
    1,086,913.80/1,630,370.70 = 1,013,185.80/x
  3. Step 3: Cross multiply
    1,086,913.80x = 1,630,370.70 × 1,013,185.80
  4. Step 4: Simplify right side
    1,086,913.80x = 1,651,868,441,976.06
  5. Step 5: Solve for x
    x = 1,651,868,441,976.06/1,086,913.80
  6. Step 6: Final answer
    x = 1,519,778.70

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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.