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Finding the Fourth Proportional to 1,224,865.60, 1,837,671.94 and 626,247.24

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Solution

The fourth proportional to 1,224,865.60, 1,837,671.94 and 626,247.24 is: 939,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,865.60 : 1,837,671.94 = 626,247.24 : x
  2. Step 2: Convert to fraction form
    1,224,865.60/1,837,671.94 = 626,247.24/x
  3. Step 3: Cross multiply
    1,224,865.60x = 1,837,671.94 × 626,247.24
  4. Step 4: Simplify right side
    1,224,865.60x = 1,150,836,980,450.45
  5. Step 5: Solve for x
    x = 1,150,836,980,450.45/1,224,865.60
  6. Step 6: Final answer
    x = 939,561.84

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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.