Home / 984,905.80-1,477,358.70-669,977.80

Finding the Fourth Proportional to 984,905.80, 1,477,358.70 and 669,977.80

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Solution

The fourth proportional to 984,905.80, 1,477,358.70 and 669,977.80 is: 1,004,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,905.80 : 1,477,358.70 = 669,977.80 : x
  2. Step 2: Convert to fraction form
    984,905.80/1,477,358.70 = 669,977.80/x
  3. Step 3: Cross multiply
    984,905.80x = 1,477,358.70 × 669,977.80
  4. Step 4: Simplify right side
    984,905.80x = 989,797,531,636.86
  5. Step 5: Solve for x
    x = 989,797,531,636.86/984,905.80
  6. Step 6: Final answer
    x = 1,004,966.70

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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.