Home / 1,581,898.07-2,183,018.64-856,745.78

Finding the Fourth Proportional to 1,581,898.07, 2,183,018.64 and 856,745.78

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Solution

The fourth proportional to 1,581,898.07, 2,183,018.64 and 856,745.78 is: 1,182,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,898.07 : 2,183,018.64 = 856,745.78 : x
  2. Step 2: Convert to fraction form
    1,581,898.07/2,183,018.64 = 856,745.78/x
  3. Step 3: Cross multiply
    1,581,898.07x = 2,183,018.64 × 856,745.78
  4. Step 4: Simplify right side
    1,581,898.07x = 1,870,292,007,481.34
  5. Step 5: Solve for x
    x = 1,870,292,007,481.34/1,581,898.07
  6. Step 6: Final answer
    x = 1,182,308.80

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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.