Home / 1,203,789.16-1,804,128.54-572,896.36

Finding the Fourth Proportional to 1,203,789.16, 1,804,128.54 and 572,896.36

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Solution

The fourth proportional to 1,203,789.16, 1,804,128.54 and 572,896.36 is: 858,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,789.16 : 1,804,128.54 = 572,896.36 : x
  2. Step 2: Convert to fraction form
    1,203,789.16/1,804,128.54 = 572,896.36/x
  3. Step 3: Cross multiply
    1,203,789.16x = 1,804,128.54 × 572,896.36
  4. Step 4: Simplify right side
    1,203,789.16x = 1,033,578,673,538.11
  5. Step 5: Solve for x
    x = 1,033,578,673,538.11/1,203,789.16
  6. Step 6: Final answer
    x = 858,604.40

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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.