Home / 814,298.20-1,221,447.30-683,661.40

Finding the Fourth Proportional to 814,298.20, 1,221,447.30 and 683,661.40

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Solution

The fourth proportional to 814,298.20, 1,221,447.30 and 683,661.40 is: 1,025,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,298.20 : 1,221,447.30 = 683,661.40 : x
  2. Step 2: Convert to fraction form
    814,298.20/1,221,447.30 = 683,661.40/x
  3. Step 3: Cross multiply
    814,298.20x = 1,221,447.30 × 683,661.40
  4. Step 4: Simplify right side
    814,298.20x = 835,056,371,144.22
  5. Step 5: Solve for x
    x = 835,056,371,144.22/814,298.20
  6. Step 6: Final answer
    x = 1,025,492.10

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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.