Home / 1,117,299.55-1,675,964.94-318,581.41

Finding the Fourth Proportional to 1,117,299.55, 1,675,964.94 and 318,581.41

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Solution

The fourth proportional to 1,117,299.55, 1,675,964.94 and 318,581.41 is: 477,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,299.55 : 1,675,964.94 = 318,581.41 : x
  2. Step 2: Convert to fraction form
    1,117,299.55/1,675,964.94 = 318,581.41/x
  3. Step 3: Cross multiply
    1,117,299.55x = 1,675,964.94 × 318,581.41
  4. Step 4: Simplify right side
    1,117,299.55x = 533,931,273,695.77
  5. Step 5: Solve for x
    x = 533,931,273,695.77/1,117,299.55
  6. Step 6: Final answer
    x = 477,876.57

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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.