Home / 377,619.09-521,114.49-207,852

Finding the Fourth Proportional to 377,619.09, 521,114.49 and 207,852

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Solution

The fourth proportional to 377,619.09, 521,114.49 and 207,852 is: 286,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,619.09 : 521,114.49 = 207,852 : x
  2. Step 2: Convert to fraction form
    377,619.09/521,114.49 = 207,852/x
  3. Step 3: Cross multiply
    377,619.09x = 521,114.49 × 207,852
  4. Step 4: Simplify right side
    377,619.09x = 108,314,688,975.48
  5. Step 5: Solve for x
    x = 108,314,688,975.48/377,619.09
  6. Step 6: Final answer
    x = 286,835.84

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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.