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Finding the Fourth Proportional to 1,719,398.84, 2,372,795.06 and 945,101.39

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Solution

The fourth proportional to 1,719,398.84, 2,372,795.06 and 945,101.39 is: 1,304,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,398.84 : 2,372,795.06 = 945,101.39 : x
  2. Step 2: Convert to fraction form
    1,719,398.84/2,372,795.06 = 945,101.39/x
  3. Step 3: Cross multiply
    1,719,398.84x = 2,372,795.06 × 945,101.39
  4. Step 4: Simplify right side
    1,719,398.84x = 2,242,531,892,801.65
  5. Step 5: Solve for x
    x = 2,242,531,892,801.65/1,719,398.84
  6. Step 6: Final answer
    x = 1,304,253.47

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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.