Home / 1,453,134.20-2,179,442.10-919,700.60

Finding the Fourth Proportional to 1,453,134.20, 2,179,442.10 and 919,700.60

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Solution

The fourth proportional to 1,453,134.20, 2,179,442.10 and 919,700.60 is: 1,379,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,134.20 : 2,179,442.10 = 919,700.60 : x
  2. Step 2: Convert to fraction form
    1,453,134.20/2,179,442.10 = 919,700.60/x
  3. Step 3: Cross multiply
    1,453,134.20x = 2,179,442.10 × 919,700.60
  4. Step 4: Simplify right side
    1,453,134.20x = 2,004,434,207,035.26
  5. Step 5: Solve for x
    x = 2,004,434,207,035.26/1,453,134.20
  6. Step 6: Final answer
    x = 1,379,386.85

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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.