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Finding the Fourth Proportional to 1,094,974.60, 1,641,749.10 and 983,000.20

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Solution

The fourth proportional to 1,094,974.60, 1,641,749.10 and 983,000.20 is: 1,473,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,974.60 : 1,641,749.10 = 983,000.20 : x
  2. Step 2: Convert to fraction form
    1,094,974.60/1,641,749.10 = 983,000.20/x
  3. Step 3: Cross multiply
    1,094,974.60x = 1,641,749.10 × 983,000.20
  4. Step 4: Simplify right side
    1,094,974.60x = 1,613,839,693,649.82
  5. Step 5: Solve for x
    x = 1,613,839,693,649.82/1,094,974.60
  6. Step 6: Final answer
    x = 1,473,860.39

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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.