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Finding the Fourth Proportional to 1,379,499.35, 1,903,874.78 and 835,619.18

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Solution

The fourth proportional to 1,379,499.35, 1,903,874.78 and 835,619.18 is: 1,153,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,499.35 : 1,903,874.78 = 835,619.18 : x
  2. Step 2: Convert to fraction form
    1,379,499.35/1,903,874.78 = 835,619.18/x
  3. Step 3: Cross multiply
    1,379,499.35x = 1,903,874.78 × 835,619.18
  4. Step 4: Simplify right side
    1,379,499.35x = 1,590,914,275,055.95
  5. Step 5: Solve for x
    x = 1,590,914,275,055.95/1,379,499.35
  6. Step 6: Final answer
    x = 1,153,254.82

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