Home / 1,198,765.28-1,653,199.44-937,154.72

Finding the Fourth Proportional to 1,198,765.28, 1,653,199.44 and 937,154.72

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Solution

The fourth proportional to 1,198,765.28, 1,653,199.44 and 937,154.72 is: 1,292,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,765.28 : 1,653,199.44 = 937,154.72 : x
  2. Step 2: Convert to fraction form
    1,198,765.28/1,653,199.44 = 937,154.72/x
  3. Step 3: Cross multiply
    1,198,765.28x = 1,653,199.44 × 937,154.72
  4. Step 4: Simplify right side
    1,198,765.28x = 1,549,303,658,297.36
  5. Step 5: Solve for x
    x = 1,549,303,658,297.36/1,198,765.28
  6. Step 6: Final answer
    x = 1,292,416.19

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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.