Home / 1,214,689.96-1,676,243.46-670,814.92

Finding the Fourth Proportional to 1,214,689.96, 1,676,243.46 and 670,814.92

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Solution

The fourth proportional to 1,214,689.96, 1,676,243.46 and 670,814.92 is: 925,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,689.96 : 1,676,243.46 = 670,814.92 : x
  2. Step 2: Convert to fraction form
    1,214,689.96/1,676,243.46 = 670,814.92/x
  3. Step 3: Cross multiply
    1,214,689.96x = 1,676,243.46 × 670,814.92
  4. Step 4: Simplify right side
    1,214,689.96x = 1,124,449,122,520.42
  5. Step 5: Solve for x
    x = 1,124,449,122,520.42/1,214,689.96
  6. Step 6: Final answer
    x = 925,708.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.