Home / 1,132,392.03-1,698,063.15-422,229.39

Finding the Fourth Proportional to 1,132,392.03, 1,698,063.15 and 422,229.39

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Solution

The fourth proportional to 1,132,392.03, 1,698,063.15 and 422,229.39 is: 633,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,392.03 : 1,698,063.15 = 422,229.39 : x
  2. Step 2: Convert to fraction form
    1,132,392.03/1,698,063.15 = 422,229.39/x
  3. Step 3: Cross multiply
    1,132,392.03x = 1,698,063.15 × 422,229.39
  4. Step 4: Simplify right side
    1,132,392.03x = 716,972,163,221.60
  5. Step 5: Solve for x
    x = 716,972,163,221.60/1,132,392.03
  6. Step 6: Final answer
    x = 633,148.37

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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.