Home / 467,829.75-645,604.59-252,969.30

Finding the Fourth Proportional to 467,829.75, 645,604.59 and 252,969.30

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Solution

The fourth proportional to 467,829.75, 645,604.59 and 252,969.30 is: 349,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,829.75 : 645,604.59 = 252,969.30 : x
  2. Step 2: Convert to fraction form
    467,829.75/645,604.59 = 252,969.30/x
  3. Step 3: Cross multiply
    467,829.75x = 645,604.59 × 252,969.30
  4. Step 4: Simplify right side
    467,829.75x = 163,318,141,209.09
  5. Step 5: Solve for x
    x = 163,318,141,209.09/467,829.75
  6. Step 6: Final answer
    x = 349,097.38

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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.