Home / 1,838,306.21-2,757,533.49-640,349.69

Finding the Fourth Proportional to 1,838,306.21, 2,757,533.49 and 640,349.69

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Solution

The fourth proportional to 1,838,306.21, 2,757,533.49 and 640,349.69 is: 960,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,306.21 : 2,757,533.49 = 640,349.69 : x
  2. Step 2: Convert to fraction form
    1,838,306.21/2,757,533.49 = 640,349.69/x
  3. Step 3: Cross multiply
    1,838,306.21x = 2,757,533.49 × 640,349.69
  4. Step 4: Simplify right side
    1,838,306.21x = 1,765,785,701,698.45
  5. Step 5: Solve for x
    x = 1,765,785,701,698.45/1,838,306.21
  6. Step 6: Final answer
    x = 960,550.37

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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.