Home / 1,198,765.56-1,654,328.95-715,611.13

Finding the Fourth Proportional to 1,198,765.56, 1,654,328.95 and 715,611.13

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Solution

The fourth proportional to 1,198,765.56, 1,654,328.95 and 715,611.13 is: 987,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,765.56 : 1,654,328.95 = 715,611.13 : x
  2. Step 2: Convert to fraction form
    1,198,765.56/1,654,328.95 = 715,611.13/x
  3. Step 3: Cross multiply
    1,198,765.56x = 1,654,328.95 × 715,611.13
  4. Step 4: Simplify right side
    1,198,765.56x = 1,183,856,203,376.36
  5. Step 5: Solve for x
    x = 1,183,856,203,376.36/1,198,765.56
  6. Step 6: Final answer
    x = 987,562.74

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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.