Home / 1,156,163.20-1,734,374.40-357,438.40

Finding the Fourth Proportional to 1,156,163.20, 1,734,374.40 and 357,438.40

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Solution

The fourth proportional to 1,156,163.20, 1,734,374.40 and 357,438.40 is: 536,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,163.20 : 1,734,374.40 = 357,438.40 : x
  2. Step 2: Convert to fraction form
    1,156,163.20/1,734,374.40 = 357,438.40/x
  3. Step 3: Cross multiply
    1,156,163.20x = 1,734,374.40 × 357,438.40
  4. Step 4: Simplify right side
    1,156,163.20x = 619,932,010,536.96
  5. Step 5: Solve for x
    x = 619,932,010,536.96/1,156,163.20
  6. Step 6: Final answer
    x = 536,197.67

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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.