Home / 829,206.69-1,244,109.30-289,542.51

Finding the Fourth Proportional to 829,206.69, 1,244,109.30 and 289,542.51

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Solution

The fourth proportional to 829,206.69, 1,244,109.30 and 289,542.51 is: 434,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,206.69 : 1,244,109.30 = 289,542.51 : x
  2. Step 2: Convert to fraction form
    829,206.69/1,244,109.30 = 289,542.51/x
  3. Step 3: Cross multiply
    829,206.69x = 1,244,109.30 × 289,542.51
  4. Step 4: Simplify right side
    829,206.69x = 360,222,529,436.34
  5. Step 5: Solve for x
    x = 360,222,529,436.34/829,206.69
  6. Step 6: Final answer
    x = 434,418.26

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1.5x scale

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.