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Finding the Fourth Proportional to 1,159,748.82, 1,738,924.16 and 519,936.75

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Solution

The fourth proportional to 1,159,748.82, 1,738,924.16 and 519,936.75 is: 779,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,748.82 : 1,738,924.16 = 519,936.75 : x
  2. Step 2: Convert to fraction form
    1,159,748.82/1,738,924.16 = 519,936.75/x
  3. Step 3: Cross multiply
    1,159,748.82x = 1,738,924.16 × 519,936.75
  4. Step 4: Simplify right side
    1,159,748.82x = 904,130,573,647.20
  5. Step 5: Solve for x
    x = 904,130,573,647.20/1,159,748.82
  6. Step 6: Final answer
    x = 779,591.72

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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.