Home / 755,135.82-1,042,094.79-415,611.90

Finding the Fourth Proportional to 755,135.82, 1,042,094.79 and 415,611.90

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Solution

The fourth proportional to 755,135.82, 1,042,094.79 and 415,611.90 is: 573,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,135.82 : 1,042,094.79 = 415,611.90 : x
  2. Step 2: Convert to fraction form
    755,135.82/1,042,094.79 = 415,611.90/x
  3. Step 3: Cross multiply
    755,135.82x = 1,042,094.79 × 415,611.90
  4. Step 4: Simplify right side
    755,135.82x = 433,106,995,652.00
  5. Step 5: Solve for x
    x = 433,106,995,652.00/755,135.82
  6. Step 6: Final answer
    x = 573,548.47

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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.