Home / 446,325.78-615,940.29-245,126.10

Finding the Fourth Proportional to 446,325.78, 615,940.29 and 245,126.10

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Solution

The fourth proportional to 446,325.78, 615,940.29 and 245,126.10 is: 338,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,325.78 : 615,940.29 = 245,126.10 : x
  2. Step 2: Convert to fraction form
    446,325.78/615,940.29 = 245,126.10/x
  3. Step 3: Cross multiply
    446,325.78x = 615,940.29 × 245,126.10
  4. Step 4: Simplify right side
    446,325.78x = 150,983,041,120.57
  5. Step 5: Solve for x
    x = 150,983,041,120.57/446,325.78
  6. Step 6: Final answer
    x = 338,279.90

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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.