Home / 1,623,658.56-2,434,767.84-865,358.72

Finding the Fourth Proportional to 1,623,658.56, 2,434,767.84 and 865,358.72

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Solution

The fourth proportional to 1,623,658.56, 2,434,767.84 and 865,358.72 is: 1,297,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,658.56 : 2,434,767.84 = 865,358.72 : x
  2. Step 2: Convert to fraction form
    1,623,658.56/2,434,767.84 = 865,358.72/x
  3. Step 3: Cross multiply
    1,623,658.56x = 2,434,767.84 × 865,358.72
  4. Step 4: Simplify right side
    1,623,658.56x = 2,106,947,581,519.56
  5. Step 5: Solve for x
    x = 2,106,947,581,519.56/1,623,658.56
  6. Step 6: Final answer
    x = 1,297,654.34

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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.