Home / 1,128,696.63-1,693,040.31-408,869.79

Finding the Fourth Proportional to 1,128,696.63, 1,693,040.31 and 408,869.79

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Solution

The fourth proportional to 1,128,696.63, 1,693,040.31 and 408,869.79 is: 613,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,696.63 : 1,693,040.31 = 408,869.79 : x
  2. Step 2: Convert to fraction form
    1,128,696.63/1,693,040.31 = 408,869.79/x
  3. Step 3: Cross multiply
    1,128,696.63x = 1,693,040.31 × 408,869.79
  4. Step 4: Simplify right side
    1,128,696.63x = 692,233,029,662.33
  5. Step 5: Solve for x
    x = 692,233,029,662.33/1,128,696.63
  6. Step 6: Final answer
    x = 613,303.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.