Home / 1,344,492.20-2,016,695.10-445,975.40

Finding the Fourth Proportional to 1,344,492.20, 2,016,695.10 and 445,975.40

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Solution

The fourth proportional to 1,344,492.20, 2,016,695.10 and 445,975.40 is: 668,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,492.20 : 2,016,695.10 = 445,975.40 : x
  2. Step 2: Convert to fraction form
    1,344,492.20/2,016,695.10 = 445,975.40/x
  3. Step 3: Cross multiply
    1,344,492.20x = 2,016,695.10 × 445,975.40
  4. Step 4: Simplify right side
    1,344,492.20x = 899,396,403,900.54
  5. Step 5: Solve for x
    x = 899,396,403,900.54/1,344,492.20
  6. Step 6: Final answer
    x = 668,948.77

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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.