Home / 436,422.54-602,286.93-245,447.22

Finding the Fourth Proportional to 436,422.54, 602,286.93 and 245,447.22

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Solution

The fourth proportional to 436,422.54, 602,286.93 and 245,447.22 is: 338,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,422.54 : 602,286.93 = 245,447.22 : x
  2. Step 2: Convert to fraction form
    436,422.54/602,286.93 = 245,447.22/x
  3. Step 3: Cross multiply
    436,422.54x = 602,286.93 × 245,447.22
  4. Step 4: Simplify right side
    436,422.54x = 147,829,652,610.84
  5. Step 5: Solve for x
    x = 147,829,652,610.84/436,422.54
  6. Step 6: Final answer
    x = 338,730.56

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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.