Home / 547,066.09-820,274.93-187,109.58

Finding the Fourth Proportional to 547,066.09, 820,274.93 and 187,109.58

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Solution

The fourth proportional to 547,066.09, 820,274.93 and 187,109.58 is: 280,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,066.09 : 820,274.93 = 187,109.58 : x
  2. Step 2: Convert to fraction form
    547,066.09/820,274.93 = 187,109.58/x
  3. Step 3: Cross multiply
    547,066.09x = 820,274.93 × 187,109.58
  4. Step 4: Simplify right side
    547,066.09x = 153,481,297,636.83
  5. Step 5: Solve for x
    x = 153,481,297,636.83/547,066.09
  6. Step 6: Final answer
    x = 280,553.48

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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.