Home / 750,716.20-1,035,993.44-406,552.42

Finding the Fourth Proportional to 750,716.20, 1,035,993.44 and 406,552.42

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Solution

The fourth proportional to 750,716.20, 1,035,993.44 and 406,552.42 is: 561,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,716.20 : 1,035,993.44 = 406,552.42 : x
  2. Step 2: Convert to fraction form
    750,716.20/1,035,993.44 = 406,552.42/x
  3. Step 3: Cross multiply
    750,716.20x = 1,035,993.44 × 406,552.42
  4. Step 4: Simplify right side
    750,716.20x = 421,185,636,620.04
  5. Step 5: Solve for x
    x = 421,185,636,620.04/750,716.20
  6. Step 6: Final answer
    x = 561,045.09

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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.