Home / 527,282.10-790,960.04-211,739

Finding the Fourth Proportional to 527,282.10, 790,960.04 and 211,739

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Solution

The fourth proportional to 527,282.10, 790,960.04 and 211,739 is: 317,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,282.10 : 790,960.04 = 211,739 : x
  2. Step 2: Convert to fraction form
    527,282.10/790,960.04 = 211,739/x
  3. Step 3: Cross multiply
    527,282.10x = 790,960.04 × 211,739
  4. Step 4: Simplify right side
    527,282.10x = 167,477,087,909.56
  5. Step 5: Solve for x
    x = 167,477,087,909.56/527,282.10
  6. Step 6: Final answer
    x = 317,623.31

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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.