Home / 1,331,768.04-1,997,928.54-445,281

Finding the Fourth Proportional to 1,331,768.04, 1,997,928.54 and 445,281

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Solution

The fourth proportional to 1,331,768.04, 1,997,928.54 and 445,281 is: 668,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,768.04 : 1,997,928.54 = 445,281 : x
  2. Step 2: Convert to fraction form
    1,331,768.04/1,997,928.54 = 445,281/x
  3. Step 3: Cross multiply
    1,331,768.04x = 1,997,928.54 × 445,281
  4. Step 4: Simplify right side
    1,331,768.04x = 889,639,618,219.74
  5. Step 5: Solve for x
    x = 889,639,618,219.74/1,331,768.04
  6. Step 6: Final answer
    x = 668,013.94

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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.