Home / 1,105,772.50-1,526,112.66-622,431.46

Finding the Fourth Proportional to 1,105,772.50, 1,526,112.66 and 622,431.46

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Solution

The fourth proportional to 1,105,772.50, 1,526,112.66 and 622,431.46 is: 859,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,772.50 : 1,526,112.66 = 622,431.46 : x
  2. Step 2: Convert to fraction form
    1,105,772.50/1,526,112.66 = 622,431.46/x
  3. Step 3: Cross multiply
    1,105,772.50x = 1,526,112.66 × 622,431.46
  4. Step 4: Simplify right side
    1,105,772.50x = 949,900,531,088.28
  5. Step 5: Solve for x
    x = 949,900,531,088.28/1,105,772.50
  6. Step 6: Final answer
    x = 859,037.94

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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.