Home / 1,503,818.38-2,255,690.09-438,869.67

Finding the Fourth Proportional to 1,503,818.38, 2,255,690.09 and 438,869.67

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Solution

The fourth proportional to 1,503,818.38, 2,255,690.09 and 438,869.67 is: 658,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,818.38 : 2,255,690.09 = 438,869.67 : x
  2. Step 2: Convert to fraction form
    1,503,818.38/2,255,690.09 = 438,869.67/x
  3. Step 3: Cross multiply
    1,503,818.38x = 2,255,690.09 × 438,869.67
  4. Step 4: Simplify right side
    1,503,818.38x = 989,953,951,947.77
  5. Step 5: Solve for x
    x = 989,953,951,947.77/1,503,818.38
  6. Step 6: Final answer
    x = 658,293.56

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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.