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Finding the Fourth Proportional to 994,348.12, 1,370,996.54 and 773,649.58

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Solution

The fourth proportional to 994,348.12, 1,370,996.54 and 773,649.58 is: 1,066,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,348.12 : 1,370,996.54 = 773,649.58 : x
  2. Step 2: Convert to fraction form
    994,348.12/1,370,996.54 = 773,649.58/x
  3. Step 3: Cross multiply
    994,348.12x = 1,370,996.54 × 773,649.58
  4. Step 4: Simplify right side
    994,348.12x = 1,060,670,895,859.09
  5. Step 5: Solve for x
    x = 1,060,670,895,859.09/994,348.12
  6. Step 6: Final answer
    x = 1,066,699.76

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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.