Home / 755,862.72-1,043,090.46-416,330.97

Finding the Fourth Proportional to 755,862.72, 1,043,090.46 and 416,330.97

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Solution

The fourth proportional to 755,862.72, 1,043,090.46 and 416,330.97 is: 574,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,862.72 : 1,043,090.46 = 416,330.97 : x
  2. Step 2: Convert to fraction form
    755,862.72/1,043,090.46 = 416,330.97/x
  3. Step 3: Cross multiply
    755,862.72x = 1,043,090.46 × 416,330.97
  4. Step 4: Simplify right side
    755,862.72x = 434,270,863,009.55
  5. Step 5: Solve for x
    x = 434,270,863,009.55/755,862.72
  6. Step 6: Final answer
    x = 574,536.69

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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.