Home / 410,569.48-615,028.36-204,783.72

Finding the Fourth Proportional to 410,569.48, 615,028.36 and 204,783.72

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Solution

The fourth proportional to 410,569.48, 615,028.36 and 204,783.72 is: 306,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,569.48 : 615,028.36 = 204,783.72 : x
  2. Step 2: Convert to fraction form
    410,569.48/615,028.36 = 204,783.72/x
  3. Step 3: Cross multiply
    410,569.48x = 615,028.36 × 204,783.72
  4. Step 4: Simplify right side
    410,569.48x = 125,947,795,466.30
  5. Step 5: Solve for x
    x = 125,947,795,466.30/410,569.48
  6. Step 6: Final answer
    x = 306,763.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.