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Finding the Fourth Proportional to 785,560, 1,084,119.24 and 591,625.66

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Solution

The fourth proportional to 785,560, 1,084,119.24 and 591,625.66 is: 816,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,560 : 1,084,119.24 = 591,625.66 : x
  2. Step 2: Convert to fraction form
    785,560/1,084,119.24 = 591,625.66/x
  3. Step 3: Cross multiply
    785,560x = 1,084,119.24 × 591,625.66
  4. Step 4: Simplify right side
    785,560x = 641,392,760,883.70
  5. Step 5: Solve for x
    x = 641,392,760,883.70/785,560
  6. Step 6: Final answer
    x = 816,478.39

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1.5x scale

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.