Home / 911,837.10-1,279,371.30-911,837.10

Finding the Fourth Proportional to 911,837.10, 1,279,371.30 and 911,837.10

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Solution

The fourth proportional to 911,837.10, 1,279,371.30 and 911,837.10 is: 1,279,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,837.10 : 1,279,371.30 = 911,837.10 : x
  2. Step 2: Convert to fraction form
    911,837.10/1,279,371.30 = 911,837.10/x
  3. Step 3: Cross multiply
    911,837.10x = 1,279,371.30 × 911,837.10
  4. Step 4: Simplify right side
    911,837.10x = 1,166,578,216,015.23
  5. Step 5: Solve for x
    x = 1,166,578,216,015.23/911,837.10
  6. Step 6: Final answer
    x = 1,279,371.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.