Home / 446,315.28-615,925.80-245,115.60

Finding the Fourth Proportional to 446,315.28, 615,925.80 and 245,115.60

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Solution

The fourth proportional to 446,315.28, 615,925.80 and 245,115.60 is: 338,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,315.28 : 615,925.80 = 245,115.60 : x
  2. Step 2: Convert to fraction form
    446,315.28/615,925.80 = 245,115.60/x
  3. Step 3: Cross multiply
    446,315.28x = 615,925.80 × 245,115.60
  4. Step 4: Simplify right side
    446,315.28x = 150,973,022,022.48
  5. Step 5: Solve for x
    x = 150,973,022,022.48/446,315.28
  6. Step 6: Final answer
    x = 338,265.41

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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.