Home / 813,624.48-1,220,680.64-245,024.08

Finding the Fourth Proportional to 813,624.48, 1,220,680.64 and 245,024.08

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Solution

The fourth proportional to 813,624.48, 1,220,680.64 and 245,024.08 is: 367,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,624.48 : 1,220,680.64 = 245,024.08 : x
  2. Step 2: Convert to fraction form
    813,624.48/1,220,680.64 = 245,024.08/x
  3. Step 3: Cross multiply
    813,624.48x = 1,220,680.64 × 245,024.08
  4. Step 4: Simplify right side
    813,624.48x = 299,096,150,789.81
  5. Step 5: Solve for x
    x = 299,096,150,789.81/813,624.48
  6. Step 6: Final answer
    x = 367,609.58

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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.