Home / 986,599.49-1,360,583.31-654,868.74

Finding the Fourth Proportional to 986,599.49, 1,360,583.31 and 654,868.74

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Solution

The fourth proportional to 986,599.49, 1,360,583.31 and 654,868.74 is: 903,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,599.49 : 1,360,583.31 = 654,868.74 : x
  2. Step 2: Convert to fraction form
    986,599.49/1,360,583.31 = 654,868.74/x
  3. Step 3: Cross multiply
    986,599.49x = 1,360,583.31 × 654,868.74
  4. Step 4: Simplify right side
    986,599.49x = 891,003,477,884.73
  5. Step 5: Solve for x
    x = 891,003,477,884.73/986,599.49
  6. Step 6: Final answer
    x = 903,105.56

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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.