Home / 1,286,933.64-1,776,180.87-714,158.34

Finding the Fourth Proportional to 1,286,933.64, 1,776,180.87 and 714,158.34

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Solution

The fourth proportional to 1,286,933.64, 1,776,180.87 and 714,158.34 is: 985,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,933.64 : 1,776,180.87 = 714,158.34 : x
  2. Step 2: Convert to fraction form
    1,286,933.64/1,776,180.87 = 714,158.34/x
  3. Step 3: Cross multiply
    1,286,933.64x = 1,776,180.87 × 714,158.34
  4. Step 4: Simplify right side
    1,286,933.64x = 1,268,474,381,658.96
  5. Step 5: Solve for x
    x = 1,268,474,381,658.96/1,286,933.64
  6. Step 6: Final answer
    x = 985,656.40

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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.