Home / 410,566.82-615,867.23-140,880.35

Finding the Fourth Proportional to 410,566.82, 615,867.23 and 140,880.35

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Solution

The fourth proportional to 410,566.82, 615,867.23 and 140,880.35 is: 211,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,566.82 : 615,867.23 = 140,880.35 : x
  2. Step 2: Convert to fraction form
    410,566.82/615,867.23 = 140,880.35/x
  3. Step 3: Cross multiply
    410,566.82x = 615,867.23 × 140,880.35
  4. Step 4: Simplify right side
    410,566.82x = 86,763,592,807.80
  5. Step 5: Solve for x
    x = 86,763,592,807.80/410,566.82
  6. Step 6: Final answer
    x = 211,326.37

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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.