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Finding the Fourth Proportional to 1,619,926.44, 2,235,636.98 and 894,853.32

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Solution

The fourth proportional to 1,619,926.44, 2,235,636.98 and 894,853.32 is: 1,234,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,926.44 : 2,235,636.98 = 894,853.32 : x
  2. Step 2: Convert to fraction form
    1,619,926.44/2,235,636.98 = 894,853.32/x
  3. Step 3: Cross multiply
    1,619,926.44x = 2,235,636.98 × 894,853.32
  4. Step 4: Simplify right side
    1,619,926.44x = 2,000,567,169,393.51
  5. Step 5: Solve for x
    x = 2,000,567,169,393.51/1,619,926.44
  6. Step 6: Final answer
    x = 1,234,974.08

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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.