Home / 410,544.20-615,816.30-268,826.60

Finding the Fourth Proportional to 410,544.20, 615,816.30 and 268,826.60

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Solution

The fourth proportional to 410,544.20, 615,816.30 and 268,826.60 is: 403,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,544.20 : 615,816.30 = 268,826.60 : x
  2. Step 2: Convert to fraction form
    410,544.20/615,816.30 = 268,826.60/x
  3. Step 3: Cross multiply
    410,544.20x = 615,816.30 × 268,826.60
  4. Step 4: Simplify right side
    410,544.20x = 165,547,802,153.58
  5. Step 5: Solve for x
    x = 165,547,802,153.58/410,544.20
  6. Step 6: Final answer
    x = 403,239.90

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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.