Home / 1,211,137.43-1,816,645.74-452,923.16

Finding the Fourth Proportional to 1,211,137.43, 1,816,645.74 and 452,923.16

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Solution

The fourth proportional to 1,211,137.43, 1,816,645.74 and 452,923.16 is: 679,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,137.43 : 1,816,645.74 = 452,923.16 : x
  2. Step 2: Convert to fraction form
    1,211,137.43/1,816,645.74 = 452,923.16/x
  3. Step 3: Cross multiply
    1,211,137.43x = 1,816,645.74 × 452,923.16
  4. Step 4: Simplify right side
    1,211,137.43x = 822,800,920,078.11
  5. Step 5: Solve for x
    x = 822,800,920,078.11/1,211,137.43
  6. Step 6: Final answer
    x = 679,362.15

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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.