Home / 556,623.76-768,141.06-301,974.88

Finding the Fourth Proportional to 556,623.76, 768,141.06 and 301,974.88

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Solution

The fourth proportional to 556,623.76, 768,141.06 and 301,974.88 is: 416,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,623.76 : 768,141.06 = 301,974.88 : x
  2. Step 2: Convert to fraction form
    556,623.76/768,141.06 = 301,974.88/x
  3. Step 3: Cross multiply
    556,623.76x = 768,141.06 × 301,974.88
  4. Step 4: Simplify right side
    556,623.76x = 231,959,304,416.57
  5. Step 5: Solve for x
    x = 231,959,304,416.57/556,623.76
  6. Step 6: Final answer
    x = 416,725.48

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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.