Home / 1,215,181.80-1,822,816.44-456,953.76

Finding the Fourth Proportional to 1,215,181.80, 1,822,816.44 and 456,953.76

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Solution

The fourth proportional to 1,215,181.80, 1,822,816.44 and 456,953.76 is: 685,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,181.80 : 1,822,816.44 = 456,953.76 : x
  2. Step 2: Convert to fraction form
    1,215,181.80/1,822,816.44 = 456,953.76/x
  3. Step 3: Cross multiply
    1,215,181.80x = 1,822,816.44 × 456,953.76
  4. Step 4: Simplify right side
    1,215,181.80x = 832,942,826,047.81
  5. Step 5: Solve for x
    x = 832,942,826,047.81/1,215,181.80
  6. Step 6: Final answer
    x = 685,447.09

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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.