Home / 446,317.28-615,928.56-245,117.60

Finding the Fourth Proportional to 446,317.28, 615,928.56 and 245,117.60

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Solution

The fourth proportional to 446,317.28, 615,928.56 and 245,117.60 is: 338,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,317.28 : 615,928.56 = 245,117.60 : x
  2. Step 2: Convert to fraction form
    446,317.28/615,928.56 = 245,117.60/x
  3. Step 3: Cross multiply
    446,317.28x = 615,928.56 × 245,117.60
  4. Step 4: Simplify right side
    446,317.28x = 150,974,930,398.66
  5. Step 5: Solve for x
    x = 150,974,930,398.66/446,317.28
  6. Step 6: Final answer
    x = 338,268.17

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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.