Home / 718,609.46-1,077,730.11-213,052.28

Finding the Fourth Proportional to 718,609.46, 1,077,730.11 and 213,052.28

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Solution

The fourth proportional to 718,609.46, 1,077,730.11 and 213,052.28 is: 319,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,609.46 : 1,077,730.11 = 213,052.28 : x
  2. Step 2: Convert to fraction form
    718,609.46/1,077,730.11 = 213,052.28/x
  3. Step 3: Cross multiply
    718,609.46x = 1,077,730.11 × 213,052.28
  4. Step 4: Simplify right side
    718,609.46x = 229,612,851,771.50
  5. Step 5: Solve for x
    x = 229,612,851,771.50/718,609.46
  6. Step 6: Final answer
    x = 319,523.84

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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.