Home / 366,659.35-505,988.28-205,514.40

Finding the Fourth Proportional to 366,659.35, 505,988.28 and 205,514.40

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Solution

The fourth proportional to 366,659.35, 505,988.28 and 205,514.40 is: 283,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,659.35 : 505,988.28 = 205,514.40 : x
  2. Step 2: Convert to fraction form
    366,659.35/505,988.28 = 205,514.40/x
  3. Step 3: Cross multiply
    366,659.35x = 505,988.28 × 205,514.40
  4. Step 4: Simplify right side
    366,659.35x = 103,987,877,771.23
  5. Step 5: Solve for x
    x = 103,987,877,771.23/366,659.35
  6. Step 6: Final answer
    x = 283,608.96

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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.