Home / 847,578.54-1,169,965.44-561,190.89

Finding the Fourth Proportional to 847,578.54, 1,169,965.44 and 561,190.89

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Solution

The fourth proportional to 847,578.54, 1,169,965.44 and 561,190.89 is: 774,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,578.54 : 1,169,965.44 = 561,190.89 : x
  2. Step 2: Convert to fraction form
    847,578.54/1,169,965.44 = 561,190.89/x
  3. Step 3: Cross multiply
    847,578.54x = 1,169,965.44 × 561,190.89
  4. Step 4: Simplify right side
    847,578.54x = 656,573,946,542.84
  5. Step 5: Solve for x
    x = 656,573,946,542.84/847,578.54
  6. Step 6: Final answer
    x = 774,646.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.