Home / 406,811.45-561,623.25-277,943.69

Finding the Fourth Proportional to 406,811.45, 561,623.25 and 277,943.69

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Solution

The fourth proportional to 406,811.45, 561,623.25 and 277,943.69 is: 383,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,811.45 : 561,623.25 = 277,943.69 : x
  2. Step 2: Convert to fraction form
    406,811.45/561,623.25 = 277,943.69/x
  3. Step 3: Cross multiply
    406,811.45x = 561,623.25 × 277,943.69
  4. Step 4: Simplify right side
    406,811.45x = 156,099,638,494.79
  5. Step 5: Solve for x
    x = 156,099,638,494.79/406,811.45
  6. Step 6: Final answer
    x = 383,714.96

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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.