Home / 1,086,670.40-1,628,450.40-800,124.80

Finding the Fourth Proportional to 1,086,670.40, 1,628,450.40 and 800,124.80

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Solution

The fourth proportional to 1,086,670.40, 1,628,450.40 and 800,124.80 is: 1,199,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,670.40 : 1,628,450.40 = 800,124.80 : x
  2. Step 2: Convert to fraction form
    1,086,670.40/1,628,450.40 = 800,124.80/x
  3. Step 3: Cross multiply
    1,086,670.40x = 1,628,450.40 × 800,124.80
  4. Step 4: Simplify right side
    1,086,670.40x = 1,302,963,550,609.92
  5. Step 5: Solve for x
    x = 1,302,963,550,609.92/1,086,670.40
  6. Step 6: Final answer
    x = 1,199,042.09

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1.5x scale

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.