Home / 395,945.15-591,742.83-289,552.46

Finding the Fourth Proportional to 395,945.15, 591,742.83 and 289,552.46

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Solution

The fourth proportional to 395,945.15, 591,742.83 and 289,552.46 is: 432,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,945.15 : 591,742.83 = 289,552.46 : x
  2. Step 2: Convert to fraction form
    395,945.15/591,742.83 = 289,552.46/x
  3. Step 3: Cross multiply
    395,945.15x = 591,742.83 × 289,552.46
  4. Step 4: Simplify right side
    395,945.15x = 171,340,590,240.97
  5. Step 5: Solve for x
    x = 171,340,590,240.97/395,945.15
  6. Step 6: Final answer
    x = 432,738.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.