Home / 983,101.10-1,475,224.83-414,447.39

Finding the Fourth Proportional to 983,101.10, 1,475,224.83 and 414,447.39

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Solution

The fourth proportional to 983,101.10, 1,475,224.83 and 414,447.39 is: 621,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,101.10 : 1,475,224.83 = 414,447.39 : x
  2. Step 2: Convert to fraction form
    983,101.10/1,475,224.83 = 414,447.39/x
  3. Step 3: Cross multiply
    983,101.10x = 1,475,224.83 × 414,447.39
  4. Step 4: Simplify right side
    983,101.10x = 611,403,080,456.69
  5. Step 5: Solve for x
    x = 611,403,080,456.69/983,101.10
  6. Step 6: Final answer
    x = 621,912.72

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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.