Home / 447,651.24-671,148.06-210,860.52

Finding the Fourth Proportional to 447,651.24, 671,148.06 and 210,860.52

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Solution

The fourth proportional to 447,651.24, 671,148.06 and 210,860.52 is: 316,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,651.24 : 671,148.06 = 210,860.52 : x
  2. Step 2: Convert to fraction form
    447,651.24/671,148.06 = 210,860.52/x
  3. Step 3: Cross multiply
    447,651.24x = 671,148.06 × 210,860.52
  4. Step 4: Simplify right side
    447,651.24x = 141,518,628,928.59
  5. Step 5: Solve for x
    x = 141,518,628,928.59/447,651.24
  6. Step 6: Final answer
    x = 316,135.90

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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.