Home / 983,063.39-1,355,928.62-656,211.58

Finding the Fourth Proportional to 983,063.39, 1,355,928.62 and 656,211.58

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Solution

The fourth proportional to 983,063.39, 1,355,928.62 and 656,211.58 is: 905,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,063.39 : 1,355,928.62 = 656,211.58 : x
  2. Step 2: Convert to fraction form
    983,063.39/1,355,928.62 = 656,211.58/x
  3. Step 3: Cross multiply
    983,063.39x = 1,355,928.62 × 656,211.58
  4. Step 4: Simplify right side
    983,063.39x = 889,776,055,426.54
  5. Step 5: Solve for x
    x = 889,776,055,426.54/983,063.39
  6. Step 6: Final answer
    x = 905,105.48

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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.