Home / 920,824.60-1,378,904.10-734,200.60

Finding the Fourth Proportional to 920,824.60, 1,378,904.10 and 734,200.60

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Solution

The fourth proportional to 920,824.60, 1,378,904.10 and 734,200.60 is: 1,099,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,824.60 : 1,378,904.10 = 734,200.60 : x
  2. Step 2: Convert to fraction form
    920,824.60/1,378,904.10 = 734,200.60/x
  3. Step 3: Cross multiply
    920,824.60x = 1,378,904.10 × 734,200.60
  4. Step 4: Simplify right side
    920,824.60x = 1,012,392,217,562.46
  5. Step 5: Solve for x
    x = 1,012,392,217,562.46/920,824.60
  6. Step 6: Final answer
    x = 1,099,440.89

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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.