Home / 755,620.50-1,042,756.29-416,087.94

Finding the Fourth Proportional to 755,620.50, 1,042,756.29 and 416,087.94

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Solution

The fourth proportional to 755,620.50, 1,042,756.29 and 416,087.94 is: 574,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,620.50 : 1,042,756.29 = 416,087.94 : x
  2. Step 2: Convert to fraction form
    755,620.50/1,042,756.29 = 416,087.94/x
  3. Step 3: Cross multiply
    755,620.50x = 1,042,756.29 × 416,087.94
  4. Step 4: Simplify right side
    755,620.50x = 433,878,316,628.14
  5. Step 5: Solve for x
    x = 433,878,316,628.14/755,620.50
  6. Step 6: Final answer
    x = 574,201.36

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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.