Home / 406,810.45-561,621.87-277,942.69

Finding the Fourth Proportional to 406,810.45, 561,621.87 and 277,942.69

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Solution

The fourth proportional to 406,810.45, 561,621.87 and 277,942.69 is: 383,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,810.45 : 561,621.87 = 277,942.69 : x
  2. Step 2: Convert to fraction form
    406,810.45/561,621.87 = 277,942.69/x
  3. Step 3: Cross multiply
    406,810.45x = 561,621.87 × 277,942.69
  4. Step 4: Simplify right side
    406,810.45x = 156,098,693,310.63
  5. Step 5: Solve for x
    x = 156,098,693,310.63/406,810.45
  6. Step 6: Final answer
    x = 383,713.58

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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.