Home / 493,822.44-681,530.27-278,976.34

Finding the Fourth Proportional to 493,822.44, 681,530.27 and 278,976.34

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Solution

The fourth proportional to 493,822.44, 681,530.27 and 278,976.34 is: 385,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,822.44 : 681,530.27 = 278,976.34 : x
  2. Step 2: Convert to fraction form
    493,822.44/681,530.27 = 278,976.34/x
  3. Step 3: Cross multiply
    493,822.44x = 681,530.27 × 278,976.34
  4. Step 4: Simplify right side
    493,822.44x = 190,130,820,323.81
  5. Step 5: Solve for x
    x = 190,130,820,323.81/493,822.44
  6. Step 6: Final answer
    x = 385,018.59

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1.5x scale

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.