Home / 1,518,806.12-2,278,211.40-620,247.87

Finding the Fourth Proportional to 1,518,806.12, 2,278,211.40 and 620,247.87

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Solution

The fourth proportional to 1,518,806.12, 2,278,211.40 and 620,247.87 is: 930,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,806.12 : 2,278,211.40 = 620,247.87 : x
  2. Step 2: Convert to fraction form
    1,518,806.12/2,278,211.40 = 620,247.87/x
  3. Step 3: Cross multiply
    1,518,806.12x = 2,278,211.40 × 620,247.87
  4. Step 4: Simplify right side
    1,518,806.12x = 1,413,055,768,259.72
  5. Step 5: Solve for x
    x = 1,413,055,768,259.72/1,518,806.12
  6. Step 6: Final answer
    x = 930,372.71

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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.