Home / 1,123,898.40-1,685,847.60-365,811.30

Finding the Fourth Proportional to 1,123,898.40, 1,685,847.60 and 365,811.30

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Solution

The fourth proportional to 1,123,898.40, 1,685,847.60 and 365,811.30 is: 548,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,898.40 : 1,685,847.60 = 365,811.30 : x
  2. Step 2: Convert to fraction form
    1,123,898.40/1,685,847.60 = 365,811.30/x
  3. Step 3: Cross multiply
    1,123,898.40x = 1,685,847.60 × 365,811.30
  4. Step 4: Simplify right side
    1,123,898.40x = 616,702,102,157.88
  5. Step 5: Solve for x
    x = 616,702,102,157.88/1,123,898.40
  6. Step 6: Final answer
    x = 548,716.95

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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.