Home / 1,553,400.20-2,329,321.04-905,186.35

Finding the Fourth Proportional to 1,553,400.20, 2,329,321.04 and 905,186.35

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Solution

The fourth proportional to 1,553,400.20, 2,329,321.04 and 905,186.35 is: 1,357,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,400.20 : 2,329,321.04 = 905,186.35 : x
  2. Step 2: Convert to fraction form
    1,553,400.20/2,329,321.04 = 905,186.35/x
  3. Step 3: Cross multiply
    1,553,400.20x = 2,329,321.04 × 905,186.35
  4. Step 4: Simplify right side
    1,553,400.20x = 2,108,469,606,615.47
  5. Step 5: Solve for x
    x = 2,108,469,606,615.47/1,553,400.20
  6. Step 6: Final answer
    x = 1,357,325.44

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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.