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Finding the Fourth Proportional to 1,195,764.98, 1,649,634.80 and 759,948.75

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Solution

The fourth proportional to 1,195,764.98, 1,649,634.80 and 759,948.75 is: 1,048,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,764.98 : 1,649,634.80 = 759,948.75 : x
  2. Step 2: Convert to fraction form
    1,195,764.98/1,649,634.80 = 759,948.75/x
  3. Step 3: Cross multiply
    1,195,764.98x = 1,649,634.80 × 759,948.75
  4. Step 4: Simplify right side
    1,195,764.98x = 1,253,637,900,416.76
  5. Step 5: Solve for x
    x = 1,253,637,900,416.76/1,195,764.98
  6. Step 6: Final answer
    x = 1,048,398.24

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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.