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Finding the Fourth Proportional to 1,444,243.94, 1,993,168.85 and 799,724.10

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Solution

The fourth proportional to 1,444,243.94, 1,993,168.85 and 799,724.10 is: 1,103,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,243.94 : 1,993,168.85 = 799,724.10 : x
  2. Step 2: Convert to fraction form
    1,444,243.94/1,993,168.85 = 799,724.10/x
  3. Step 3: Cross multiply
    1,444,243.94x = 1,993,168.85 × 799,724.10
  4. Step 4: Simplify right side
    1,444,243.94x = 1,593,985,164,714.29
  5. Step 5: Solve for x
    x = 1,593,985,164,714.29/1,444,243.94
  6. Step 6: Final answer
    x = 1,103,681.39

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1.5x scale

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.