Home / 445,930.90-615,381.51-241,976.63

Finding the Fourth Proportional to 445,930.90, 615,381.51 and 241,976.63

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Solution

The fourth proportional to 445,930.90, 615,381.51 and 241,976.63 is: 333,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,930.90 : 615,381.51 = 241,976.63 : x
  2. Step 2: Convert to fraction form
    445,930.90/615,381.51 = 241,976.63/x
  3. Step 3: Cross multiply
    445,930.90x = 615,381.51 × 241,976.63
  4. Step 4: Simplify right side
    445,930.90x = 148,907,943,954.11
  5. Step 5: Solve for x
    x = 148,907,943,954.11/445,930.90
  6. Step 6: Final answer
    x = 333,926.05

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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.