Home / 965,856.78-1,332,942.78-536,144.10

Finding the Fourth Proportional to 965,856.78, 1,332,942.78 and 536,144.10

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Solution

The fourth proportional to 965,856.78, 1,332,942.78 and 536,144.10 is: 739,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,856.78 : 1,332,942.78 = 536,144.10 : x
  2. Step 2: Convert to fraction form
    965,856.78/1,332,942.78 = 536,144.10/x
  3. Step 3: Cross multiply
    965,856.78x = 1,332,942.78 × 536,144.10
  4. Step 4: Simplify right side
    965,856.78x = 714,649,407,134.60
  5. Step 5: Solve for x
    x = 714,649,407,134.60/965,856.78
  6. Step 6: Final answer
    x = 739,912.40

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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.