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Finding the Fourth Proportional to 1,407,904.07, 1,942,948.60 and 796,043.69

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Solution

The fourth proportional to 1,407,904.07, 1,942,948.60 and 796,043.69 is: 1,098,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,904.07 : 1,942,948.60 = 796,043.69 : x
  2. Step 2: Convert to fraction form
    1,407,904.07/1,942,948.60 = 796,043.69/x
  3. Step 3: Cross multiply
    1,407,904.07x = 1,942,948.60 × 796,043.69
  4. Step 4: Simplify right side
    1,407,904.07x = 1,546,671,969,044.12
  5. Step 5: Solve for x
    x = 1,546,671,969,044.12/1,407,904.07
  6. Step 6: Final answer
    x = 1,098,563.47

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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.