Home / 886,913.39-1,223,940.21-479,015.10

Finding the Fourth Proportional to 886,913.39, 1,223,940.21 and 479,015.10

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Solution

The fourth proportional to 886,913.39, 1,223,940.21 and 479,015.10 is: 661,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,913.39 : 1,223,940.21 = 479,015.10 : x
  2. Step 2: Convert to fraction form
    886,913.39/1,223,940.21 = 479,015.10/x
  3. Step 3: Cross multiply
    886,913.39x = 1,223,940.21 × 479,015.10
  4. Step 4: Simplify right side
    886,913.39x = 586,285,842,087.17
  5. Step 5: Solve for x
    x = 586,285,842,087.17/886,913.39
  6. Step 6: Final answer
    x = 661,040.70

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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.