Home / 938,534.91-1,296,247.37-636,204.03

Finding the Fourth Proportional to 938,534.91, 1,296,247.37 and 636,204.03

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Solution

The fourth proportional to 938,534.91, 1,296,247.37 and 636,204.03 is: 878,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,534.91 : 1,296,247.37 = 636,204.03 : x
  2. Step 2: Convert to fraction form
    938,534.91/1,296,247.37 = 636,204.03/x
  3. Step 3: Cross multiply
    938,534.91x = 1,296,247.37 × 636,204.03
  4. Step 4: Simplify right side
    938,534.91x = 824,677,796,207.60
  5. Step 5: Solve for x
    x = 824,677,796,207.60/938,534.91
  6. Step 6: Final answer
    x = 878,686.33

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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.