Home / 1,904,123.45-2,856,896.19-767,208.19

Finding the Fourth Proportional to 1,904,123.45, 2,856,896.19 and 767,208.19

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Solution

The fourth proportional to 1,904,123.45, 2,856,896.19 and 767,208.19 is: 1,151,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,123.45 : 2,856,896.19 = 767,208.19 : x
  2. Step 2: Convert to fraction form
    1,904,123.45/2,856,896.19 = 767,208.19/x
  3. Step 3: Cross multiply
    1,904,123.45x = 2,856,896.19 × 767,208.19
  4. Step 4: Simplify right side
    1,904,123.45x = 2,191,834,165,214.77
  5. Step 5: Solve for x
    x = 2,191,834,165,214.77/1,904,123.45
  6. Step 6: Final answer
    x = 1,151,098.77

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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.