Home / 447,230.41-671,156.66-289,066.57

Finding the Fourth Proportional to 447,230.41, 671,156.66 and 289,066.57

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Solution

The fourth proportional to 447,230.41, 671,156.66 and 289,066.57 is: 433,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,230.41 : 671,156.66 = 289,066.57 : x
  2. Step 2: Convert to fraction form
    447,230.41/671,156.66 = 289,066.57/x
  3. Step 3: Cross multiply
    447,230.41x = 671,156.66 × 289,066.57
  4. Step 4: Simplify right side
    447,230.41x = 194,008,953,638.86
  5. Step 5: Solve for x
    x = 194,008,953,638.86/447,230.41
  6. Step 6: Final answer
    x = 433,800.90

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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.