Home / 715,544.91-1,073,054.93-209,976.12

Finding the Fourth Proportional to 715,544.91, 1,073,054.93 and 209,976.12

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Solution

The fourth proportional to 715,544.91, 1,073,054.93 and 209,976.12 is: 314,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,544.91 : 1,073,054.93 = 209,976.12 : x
  2. Step 2: Convert to fraction form
    715,544.91/1,073,054.93 = 209,976.12/x
  3. Step 3: Cross multiply
    715,544.91x = 1,073,054.93 × 209,976.12
  4. Step 4: Simplify right side
    715,544.91x = 225,315,909,698.39
  5. Step 5: Solve for x
    x = 225,315,909,698.39/715,544.91
  6. Step 6: Final answer
    x = 314,887.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.