Home / 1,453,133.20-2,179,440.60-919,699.60

Finding the Fourth Proportional to 1,453,133.20, 2,179,440.60 and 919,699.60

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Solution

The fourth proportional to 1,453,133.20, 2,179,440.60 and 919,699.60 is: 1,379,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,133.20 : 2,179,440.60 = 919,699.60 : x
  2. Step 2: Convert to fraction form
    1,453,133.20/2,179,440.60 = 919,699.60/x
  3. Step 3: Cross multiply
    1,453,133.20x = 2,179,440.60 × 919,699.60
  4. Step 4: Simplify right side
    1,453,133.20x = 2,004,430,648,043.76
  5. Step 5: Solve for x
    x = 2,004,430,648,043.76/1,453,133.20
  6. Step 6: Final answer
    x = 1,379,385.35

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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.