Home / 698,965.30-1,046,766.39-398,535.04

Finding the Fourth Proportional to 698,965.30, 1,046,766.39 and 398,535.04

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Solution

The fourth proportional to 698,965.30, 1,046,766.39 and 398,535.04 is: 596,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,965.30 : 1,046,766.39 = 398,535.04 : x
  2. Step 2: Convert to fraction form
    698,965.30/1,046,766.39 = 398,535.04/x
  3. Step 3: Cross multiply
    698,965.30x = 1,046,766.39 × 398,535.04
  4. Step 4: Simplify right side
    698,965.30x = 417,173,081,276.96
  5. Step 5: Solve for x
    x = 417,173,081,276.96/698,965.30
  6. Step 6: Final answer
    x = 596,843.76

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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.