Home / 1,286,301.87-1,775,099.11-705,529.71

Finding the Fourth Proportional to 1,286,301.87, 1,775,099.11 and 705,529.71

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Solution

The fourth proportional to 1,286,301.87, 1,775,099.11 and 705,529.71 is: 973,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,301.87 : 1,775,099.11 = 705,529.71 : x
  2. Step 2: Convert to fraction form
    1,286,301.87/1,775,099.11 = 705,529.71/x
  3. Step 3: Cross multiply
    1,286,301.87x = 1,775,099.11 × 705,529.71
  4. Step 4: Simplify right side
    1,286,301.87x = 1,252,385,160,299.56
  5. Step 5: Solve for x
    x = 1,252,385,160,299.56/1,286,301.87
  6. Step 6: Final answer
    x = 973,632.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.