Home / 1,087,754.30-1,631,071.19-488,201.48

Finding the Fourth Proportional to 1,087,754.30, 1,631,071.19 and 488,201.48

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Solution

The fourth proportional to 1,087,754.30, 1,631,071.19 and 488,201.48 is: 732,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,754.30 : 1,631,071.19 = 488,201.48 : x
  2. Step 2: Convert to fraction form
    1,087,754.30/1,631,071.19 = 488,201.48/x
  3. Step 3: Cross multiply
    1,087,754.30x = 1,631,071.19 × 488,201.48
  4. Step 4: Simplify right side
    1,087,754.30x = 796,291,362,008.51
  5. Step 5: Solve for x
    x = 796,291,362,008.51/1,087,754.30
  6. Step 6: Final answer
    x = 732,050.76

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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.