Home / 1,204,673.41-1,662,433.62-688,421.43

Finding the Fourth Proportional to 1,204,673.41, 1,662,433.62 and 688,421.43

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Solution

The fourth proportional to 1,204,673.41, 1,662,433.62 and 688,421.43 is: 950,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,673.41 : 1,662,433.62 = 688,421.43 : x
  2. Step 2: Convert to fraction form
    1,204,673.41/1,662,433.62 = 688,421.43/x
  3. Step 3: Cross multiply
    1,204,673.41x = 1,662,433.62 × 688,421.43
  4. Step 4: Simplify right side
    1,204,673.41x = 1,144,454,931,251.27
  5. Step 5: Solve for x
    x = 1,144,454,931,251.27/1,204,673.41
  6. Step 6: Final answer
    x = 950,012.61

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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.