Home / 377,969.07-521,597.34-208,203.24

Finding the Fourth Proportional to 377,969.07, 521,597.34 and 208,203.24

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Solution

The fourth proportional to 377,969.07, 521,597.34 and 208,203.24 is: 287,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,969.07 : 521,597.34 = 208,203.24 : x
  2. Step 2: Convert to fraction form
    377,969.07/521,597.34 = 208,203.24/x
  3. Step 3: Cross multiply
    377,969.07x = 521,597.34 × 208,203.24
  4. Step 4: Simplify right side
    377,969.07x = 108,598,256,163.38
  5. Step 5: Solve for x
    x = 108,598,256,163.38/377,969.07
  6. Step 6: Final answer
    x = 287,320.48

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1.5x scale

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.