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Finding the Fourth Proportional to 934,997.76, 1,402,750.08 and 784,880.64

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Solution

The fourth proportional to 934,997.76, 1,402,750.08 and 784,880.64 is: 1,177,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,997.76 : 1,402,750.08 = 784,880.64 : x
  2. Step 2: Convert to fraction form
    934,997.76/1,402,750.08 = 784,880.64/x
  3. Step 3: Cross multiply
    934,997.76x = 1,402,750.08 × 784,880.64
  4. Step 4: Simplify right side
    934,997.76x = 1,100,991,380,550.45
  5. Step 5: Solve for x
    x = 1,100,991,380,550.45/934,997.76
  6. Step 6: Final answer
    x = 1,177,533.71

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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.