Home / 1,465,311.20-2,197,966.80-1,040,158.40

Finding the Fourth Proportional to 1,465,311.20, 2,197,966.80 and 1,040,158.40

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Solution

The fourth proportional to 1,465,311.20, 2,197,966.80 and 1,040,158.40 is: 1,560,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,311.20 : 2,197,966.80 = 1,040,158.40 : x
  2. Step 2: Convert to fraction form
    1,465,311.20/2,197,966.80 = 1,040,158.40/x
  3. Step 3: Cross multiply
    1,465,311.20x = 2,197,966.80 × 1,040,158.40
  4. Step 4: Simplify right side
    1,465,311.20x = 2,286,233,629,941.12
  5. Step 5: Solve for x
    x = 2,286,233,629,941.12/1,465,311.20
  6. Step 6: Final answer
    x = 1,560,237.60

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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.