Home / 1,336,693.59-2,005,231.05-437,943.20

Finding the Fourth Proportional to 1,336,693.59, 2,005,231.05 and 437,943.20

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Solution

The fourth proportional to 1,336,693.59, 2,005,231.05 and 437,943.20 is: 656,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,693.59 : 2,005,231.05 = 437,943.20 : x
  2. Step 2: Convert to fraction form
    1,336,693.59/2,005,231.05 = 437,943.20/x
  3. Step 3: Cross multiply
    1,336,693.59x = 2,005,231.05 × 437,943.20
  4. Step 4: Simplify right side
    1,336,693.59x = 878,177,292,750.21
  5. Step 5: Solve for x
    x = 878,177,292,750.21/1,336,693.59
  6. Step 6: Final answer
    x = 656,977.26

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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.