Home / 447,680.25-618,323.63-296,514.81

Finding the Fourth Proportional to 447,680.25, 618,323.63 and 296,514.81

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Solution

The fourth proportional to 447,680.25, 618,323.63 and 296,514.81 is: 409,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,680.25 : 618,323.63 = 296,514.81 : x
  2. Step 2: Convert to fraction form
    447,680.25/618,323.63 = 296,514.81/x
  3. Step 3: Cross multiply
    447,680.25x = 618,323.63 × 296,514.81
  4. Step 4: Simplify right side
    447,680.25x = 183,342,112,185.39
  5. Step 5: Solve for x
    x = 183,342,112,185.39/447,680.25
  6. Step 6: Final answer
    x = 409,538.08

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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.