Home / 750,914.23-1,036,255.44-406,742.17

Finding the Fourth Proportional to 750,914.23, 1,036,255.44 and 406,742.17

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Solution

The fourth proportional to 750,914.23, 1,036,255.44 and 406,742.17 is: 561,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,914.23 : 1,036,255.44 = 406,742.17 : x
  2. Step 2: Convert to fraction form
    750,914.23/1,036,255.44 = 406,742.17/x
  3. Step 3: Cross multiply
    750,914.23x = 1,036,255.44 × 406,742.17
  4. Step 4: Simplify right side
    750,914.23x = 421,488,786,339.91
  5. Step 5: Solve for x
    x = 421,488,786,339.91/750,914.23
  6. Step 6: Final answer
    x = 561,300.84

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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.