Home / 822,687.30-1,234,185.37-373,439.73

Finding the Fourth Proportional to 822,687.30, 1,234,185.37 and 373,439.73

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Solution

The fourth proportional to 822,687.30, 1,234,185.37 and 373,439.73 is: 560,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,687.30 : 1,234,185.37 = 373,439.73 : x
  2. Step 2: Convert to fraction form
    822,687.30/1,234,185.37 = 373,439.73/x
  3. Step 3: Cross multiply
    822,687.30x = 1,234,185.37 × 373,439.73
  4. Step 4: Simplify right side
    822,687.30x = 460,893,849,475.55
  5. Step 5: Solve for x
    x = 460,893,849,475.55/822,687.30
  6. Step 6: Final answer
    x = 560,229.69

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1.5x scale

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.