Home / 917,414.56-1,266,033.36-515,009.44

Finding the Fourth Proportional to 917,414.56, 1,266,033.36 and 515,009.44

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Solution

The fourth proportional to 917,414.56, 1,266,033.36 and 515,009.44 is: 710,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,414.56 : 1,266,033.36 = 515,009.44 : x
  2. Step 2: Convert to fraction form
    917,414.56/1,266,033.36 = 515,009.44/x
  3. Step 3: Cross multiply
    917,414.56x = 1,266,033.36 × 515,009.44
  4. Step 4: Simplify right side
    917,414.56x = 652,019,131,754.92
  5. Step 5: Solve for x
    x = 652,019,131,754.92/917,414.56
  6. Step 6: Final answer
    x = 710,713.74

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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.