Home / 1,473,679.72-2,210,519.58-408,721.78

Finding the Fourth Proportional to 1,473,679.72, 2,210,519.58 and 408,721.78

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Solution

The fourth proportional to 1,473,679.72, 2,210,519.58 and 408,721.78 is: 613,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,679.72 : 2,210,519.58 = 408,721.78 : x
  2. Step 2: Convert to fraction form
    1,473,679.72/2,210,519.58 = 408,721.78/x
  3. Step 3: Cross multiply
    1,473,679.72x = 2,210,519.58 × 408,721.78
  4. Step 4: Simplify right side
    1,473,679.72x = 903,487,497,462.45
  5. Step 5: Solve for x
    x = 903,487,497,462.45/1,473,679.72
  6. Step 6: Final answer
    x = 613,082.67

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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.