Home / 1,391,615.73-2,086,139.18-965,352.67

Finding the Fourth Proportional to 1,391,615.73, 2,086,139.18 and 965,352.67

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Solution

The fourth proportional to 1,391,615.73, 2,086,139.18 and 965,352.67 is: 1,447,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,615.73 : 2,086,139.18 = 965,352.67 : x
  2. Step 2: Convert to fraction form
    1,391,615.73/2,086,139.18 = 965,352.67/x
  3. Step 3: Cross multiply
    1,391,615.73x = 2,086,139.18 × 965,352.67
  4. Step 4: Simplify right side
    1,391,615.73x = 2,013,860,024,602.64
  5. Step 5: Solve for x
    x = 2,013,860,024,602.64/1,391,615.73
  6. Step 6: Final answer
    x = 1,447,138.01

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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.