Home / 729,143.10-1,093,714.65-667,141.65

Finding the Fourth Proportional to 729,143.10, 1,093,714.65 and 667,141.65

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Solution

The fourth proportional to 729,143.10, 1,093,714.65 and 667,141.65 is: 1,000,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,143.10 : 1,093,714.65 = 667,141.65 : x
  2. Step 2: Convert to fraction form
    729,143.10/1,093,714.65 = 667,141.65/x
  3. Step 3: Cross multiply
    729,143.10x = 1,093,714.65 × 667,141.65
  4. Step 4: Simplify right side
    729,143.10x = 729,662,596,230.17
  5. Step 5: Solve for x
    x = 729,662,596,230.17/729,143.10
  6. Step 6: Final answer
    x = 1,000,712.48

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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.