Home / 1,257,021.01-1,734,728.35-713,179.72

Finding the Fourth Proportional to 1,257,021.01, 1,734,728.35 and 713,179.72

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Solution

The fourth proportional to 1,257,021.01, 1,734,728.35 and 713,179.72 is: 984,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,021.01 : 1,734,728.35 = 713,179.72 : x
  2. Step 2: Convert to fraction form
    1,257,021.01/1,734,728.35 = 713,179.72/x
  3. Step 3: Cross multiply
    1,257,021.01x = 1,734,728.35 × 713,179.72
  4. Step 4: Simplify right side
    1,257,021.01x = 1,237,173,080,651.74
  5. Step 5: Solve for x
    x = 1,237,173,080,651.74/1,257,021.01
  6. Step 6: Final answer
    x = 984,210.34

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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.