Home / 1,903,063.78-2,854,710.96-765,821.62

Finding the Fourth Proportional to 1,903,063.78, 2,854,710.96 and 765,821.62

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Solution

The fourth proportional to 1,903,063.78, 2,854,710.96 and 765,821.62 is: 1,148,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,063.78 : 2,854,710.96 = 765,821.62 : x
  2. Step 2: Convert to fraction form
    1,903,063.78/2,854,710.96 = 765,821.62/x
  3. Step 3: Cross multiply
    1,903,063.78x = 2,854,710.96 × 765,821.62
  4. Step 4: Simplify right side
    1,903,063.78x = 2,186,199,372,018.96
  5. Step 5: Solve for x
    x = 2,186,199,372,018.96/1,903,063.78
  6. Step 6: Final answer
    x = 1,148,778.82

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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.