Home / 1,361,428.44-2,042,364.50-401,981.03

Finding the Fourth Proportional to 1,361,428.44, 2,042,364.50 and 401,981.03

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Solution

The fourth proportional to 1,361,428.44, 2,042,364.50 and 401,981.03 is: 603,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,428.44 : 2,042,364.50 = 401,981.03 : x
  2. Step 2: Convert to fraction form
    1,361,428.44/2,042,364.50 = 401,981.03/x
  3. Step 3: Cross multiply
    1,361,428.44x = 2,042,364.50 × 401,981.03
  4. Step 4: Simplify right side
    1,361,428.44x = 820,991,785,345.44
  5. Step 5: Solve for x
    x = 820,991,785,345.44/1,361,428.44
  6. Step 6: Final answer
    x = 603,037.05

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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.