Home / 856,541.20-1,284,974.01-344,246.11

Finding the Fourth Proportional to 856,541.20, 1,284,974.01 and 344,246.11

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Solution

The fourth proportional to 856,541.20, 1,284,974.01 and 344,246.11 is: 516,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,541.20 : 1,284,974.01 = 344,246.11 : x
  2. Step 2: Convert to fraction form
    856,541.20/1,284,974.01 = 344,246.11/x
  3. Step 3: Cross multiply
    856,541.20x = 1,284,974.01 × 344,246.11
  4. Step 4: Simplify right side
    856,541.20x = 442,347,297,108.12
  5. Step 5: Solve for x
    x = 442,347,297,108.12/856,541.20
  6. Step 6: Final answer
    x = 516,434.35

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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.