Home / 1,065,829.94-1,595,880-811,900.76

Finding the Fourth Proportional to 1,065,829.94, 1,595,880 and 811,900.76

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Solution

The fourth proportional to 1,065,829.94, 1,595,880 and 811,900.76 is: 1,215,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,829.94 : 1,595,880 = 811,900.76 : x
  2. Step 2: Convert to fraction form
    1,065,829.94/1,595,880 = 811,900.76/x
  3. Step 3: Cross multiply
    1,065,829.94x = 1,595,880 × 811,900.76
  4. Step 4: Simplify right side
    1,065,829.94x = 1,295,696,184,868.80
  5. Step 5: Solve for x
    x = 1,295,696,184,868.80/1,065,829.94
  6. Step 6: Final answer
    x = 1,215,668.78

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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.