Home / 340,619.24-470,006.34-193,439

Finding the Fourth Proportional to 340,619.24, 470,006.34 and 193,439

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Solution

The fourth proportional to 340,619.24, 470,006.34 and 193,439 is: 266,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,619.24 : 470,006.34 = 193,439 : x
  2. Step 2: Convert to fraction form
    340,619.24/470,006.34 = 193,439/x
  3. Step 3: Cross multiply
    340,619.24x = 470,006.34 × 193,439
  4. Step 4: Simplify right side
    340,619.24x = 90,917,556,403.26
  5. Step 5: Solve for x
    x = 90,917,556,403.26/340,619.24
  6. Step 6: Final answer
    x = 266,918.44

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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.