Home / 1,211,193.27-1,671,431.26-659,931.95

Finding the Fourth Proportional to 1,211,193.27, 1,671,431.26 and 659,931.95

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Solution

The fourth proportional to 1,211,193.27, 1,671,431.26 and 659,931.95 is: 910,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,193.27 : 1,671,431.26 = 659,931.95 : x
  2. Step 2: Convert to fraction form
    1,211,193.27/1,671,431.26 = 659,931.95/x
  3. Step 3: Cross multiply
    1,211,193.27x = 1,671,431.26 × 659,931.95
  4. Step 4: Simplify right side
    1,211,193.27x = 1,103,030,879,045.94
  5. Step 5: Solve for x
    x = 1,103,030,879,045.94/1,211,193.27
  6. Step 6: Final answer
    x = 910,697.67

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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.