Home / 468,052.14-645,911.20-253,191.54

Finding the Fourth Proportional to 468,052.14, 645,911.20 and 253,191.54

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Solution

The fourth proportional to 468,052.14, 645,911.20 and 253,191.54 is: 349,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,052.14 : 645,911.20 = 253,191.54 : x
  2. Step 2: Convert to fraction form
    468,052.14/645,911.20 = 253,191.54/x
  3. Step 3: Cross multiply
    468,052.14x = 645,911.20 × 253,191.54
  4. Step 4: Simplify right side
    468,052.14x = 163,539,251,431.25
  5. Step 5: Solve for x
    x = 163,539,251,431.25/468,052.14
  6. Step 6: Final answer
    x = 349,403.92

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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.