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Finding the Fourth Proportional to 1,194,694.54, 1,789,695.23 and 788,649.63

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Solution

The fourth proportional to 1,194,694.54, 1,789,695.23 and 788,649.63 is: 1,181,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,694.54 : 1,789,695.23 = 788,649.63 : x
  2. Step 2: Convert to fraction form
    1,194,694.54/1,789,695.23 = 788,649.63/x
  3. Step 3: Cross multiply
    1,194,694.54x = 1,789,695.23 × 788,649.63
  4. Step 4: Simplify right side
    1,194,694.54x = 1,411,442,475,032.51
  5. Step 5: Solve for x
    x = 1,411,442,475,032.51/1,194,694.54
  6. Step 6: Final answer
    x = 1,181,425.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.