Home / 923,399.45-1,387,201.02-668,019.71

Finding the Fourth Proportional to 923,399.45, 1,387,201.02 and 668,019.71

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Solution

The fourth proportional to 923,399.45, 1,387,201.02 and 668,019.71 is: 1,003,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,399.45 : 1,387,201.02 = 668,019.71 : x
  2. Step 2: Convert to fraction form
    923,399.45/1,387,201.02 = 668,019.71/x
  3. Step 3: Cross multiply
    923,399.45x = 1,387,201.02 × 668,019.71
  4. Step 4: Simplify right side
    923,399.45x = 926,677,616,156.10
  5. Step 5: Solve for x
    x = 926,677,616,156.10/923,399.45
  6. Step 6: Final answer
    x = 1,003,550.11

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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.