Home / 711,465.48-1,067,384.52-212,829.48

Finding the Fourth Proportional to 711,465.48, 1,067,384.52 and 212,829.48

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Solution

The fourth proportional to 711,465.48, 1,067,384.52 and 212,829.48 is: 319,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,465.48 : 1,067,384.52 = 212,829.48 : x
  2. Step 2: Convert to fraction form
    711,465.48/1,067,384.52 = 212,829.48/x
  3. Step 3: Cross multiply
    711,465.48x = 1,067,384.52 × 212,829.48
  4. Step 4: Simplify right side
    711,465.48x = 227,170,892,351.65
  5. Step 5: Solve for x
    x = 227,170,892,351.65/711,465.48
  6. Step 6: Final answer
    x = 319,299.95

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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.