Home / 1,775,153.70-2,662,730.55-828,620.10

Finding the Fourth Proportional to 1,775,153.70, 2,662,730.55 and 828,620.10

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Solution

The fourth proportional to 1,775,153.70, 2,662,730.55 and 828,620.10 is: 1,242,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,153.70 : 2,662,730.55 = 828,620.10 : x
  2. Step 2: Convert to fraction form
    1,775,153.70/2,662,730.55 = 828,620.10/x
  3. Step 3: Cross multiply
    1,775,153.70x = 2,662,730.55 × 828,620.10
  4. Step 4: Simplify right side
    1,775,153.70x = 2,206,392,054,614.05
  5. Step 5: Solve for x
    x = 2,206,392,054,614.05/1,775,153.70
  6. Step 6: Final answer
    x = 1,242,930.15

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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.