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Finding the Fourth Proportional to 3,989,214.27, 5,983,821.14 and 997,398.27

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Solution

The fourth proportional to 3,989,214.27, 5,983,821.14 and 997,398.27 is: 1,496,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,214.27 : 5,983,821.14 = 997,398.27 : x
  2. Step 2: Convert to fraction form
    3,989,214.27/5,983,821.14 = 997,398.27/x
  3. Step 3: Cross multiply
    3,989,214.27x = 5,983,821.14 × 997,398.27
  4. Step 4: Simplify right side
    3,989,214.27x = 5,968,252,848,038.44
  5. Step 5: Solve for x
    x = 5,968,252,848,038.44/3,989,214.27
  6. Step 6: Final answer
    x = 1,496,097.34

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1.5x scale

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.