Home / 1,882,976.80-2,824,465.20-620,640.40

Finding the Fourth Proportional to 1,882,976.80, 2,824,465.20 and 620,640.40

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Solution

The fourth proportional to 1,882,976.80, 2,824,465.20 and 620,640.40 is: 930,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,976.80 : 2,824,465.20 = 620,640.40 : x
  2. Step 2: Convert to fraction form
    1,882,976.80/2,824,465.20 = 620,640.40/x
  3. Step 3: Cross multiply
    1,882,976.80x = 2,824,465.20 × 620,640.40
  4. Step 4: Simplify right side
    1,882,976.80x = 1,752,977,211,514.08
  5. Step 5: Solve for x
    x = 1,752,977,211,514.08/1,882,976.80
  6. Step 6: Final answer
    x = 930,960.60

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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.