Home / 410,299.80-615,514.50-173,643.72

Finding the Fourth Proportional to 410,299.80, 615,514.50 and 173,643.72

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Solution

The fourth proportional to 410,299.80, 615,514.50 and 173,643.72 is: 260,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,299.80 : 615,514.50 = 173,643.72 : x
  2. Step 2: Convert to fraction form
    410,299.80/615,514.50 = 173,643.72/x
  3. Step 3: Cross multiply
    410,299.80x = 615,514.50 × 173,643.72
  4. Step 4: Simplify right side
    410,299.80x = 106,880,227,493.94
  5. Step 5: Solve for x
    x = 106,880,227,493.94/410,299.80
  6. Step 6: Final answer
    x = 260,493.00

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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.