Home / 1,286,049.90-1,774,585.74-705,120.15

Finding the Fourth Proportional to 1,286,049.90, 1,774,585.74 and 705,120.15

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Solution

The fourth proportional to 1,286,049.90, 1,774,585.74 and 705,120.15 is: 972,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,049.90 : 1,774,585.74 = 705,120.15 : x
  2. Step 2: Convert to fraction form
    1,286,049.90/1,774,585.74 = 705,120.15/x
  3. Step 3: Cross multiply
    1,286,049.90x = 1,774,585.74 × 705,120.15
  4. Step 4: Simplify right side
    1,286,049.90x = 1,251,296,163,176.66
  5. Step 5: Solve for x
    x = 1,251,296,163,176.66/1,286,049.90
  6. Step 6: Final answer
    x = 972,976.37

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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.