Home / 536,081.23-803,867.05-311,506.44

Finding the Fourth Proportional to 536,081.23, 803,867.05 and 311,506.44

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Solution

The fourth proportional to 536,081.23, 803,867.05 and 311,506.44 is: 467,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,081.23 : 803,867.05 = 311,506.44 : x
  2. Step 2: Convert to fraction form
    536,081.23/803,867.05 = 311,506.44/x
  3. Step 3: Cross multiply
    536,081.23x = 803,867.05 × 311,506.44
  4. Step 4: Simplify right side
    536,081.23x = 250,409,762,978.80
  5. Step 5: Solve for x
    x = 250,409,762,978.80/536,081.23
  6. Step 6: Final answer
    x = 467,111.60

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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.