Home / 521,236.26-719,300.53-291,795.43

Finding the Fourth Proportional to 521,236.26, 719,300.53 and 291,795.43

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Solution

The fourth proportional to 521,236.26, 719,300.53 and 291,795.43 is: 402,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,236.26 : 719,300.53 = 291,795.43 : x
  2. Step 2: Convert to fraction form
    521,236.26/719,300.53 = 291,795.43/x
  3. Step 3: Cross multiply
    521,236.26x = 719,300.53 × 291,795.43
  4. Step 4: Simplify right side
    521,236.26x = 209,888,607,450.58
  5. Step 5: Solve for x
    x = 209,888,607,450.58/521,236.26
  6. Step 6: Final answer
    x = 402,674.61

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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.