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Finding the Fourth Proportional to 1,839,658.65, 2,759,488.73 and 827,598.48

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Solution

The fourth proportional to 1,839,658.65, 2,759,488.73 and 827,598.48 is: 1,241,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,658.65 : 2,759,488.73 = 827,598.48 : x
  2. Step 2: Convert to fraction form
    1,839,658.65/2,759,488.73 = 827,598.48/x
  3. Step 3: Cross multiply
    1,839,658.65x = 2,759,488.73 × 827,598.48
  4. Step 4: Simplify right side
    1,839,658.65x = 2,283,748,678,525.13
  5. Step 5: Solve for x
    x = 2,283,748,678,525.13/1,839,658.65
  6. Step 6: Final answer
    x = 1,241,398.06

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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.