Home / 415,175.06-573,048.46-270,342.36

Finding the Fourth Proportional to 415,175.06, 573,048.46 and 270,342.36

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Solution

The fourth proportional to 415,175.06, 573,048.46 and 270,342.36 is: 373,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,175.06 : 573,048.46 = 270,342.36 : x
  2. Step 2: Convert to fraction form
    415,175.06/573,048.46 = 270,342.36/x
  3. Step 3: Cross multiply
    415,175.06x = 573,048.46 × 270,342.36
  4. Step 4: Simplify right side
    415,175.06x = 154,919,273,070.77
  5. Step 5: Solve for x
    x = 154,919,273,070.77/415,175.06
  6. Step 6: Final answer
    x = 373,142.05

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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.