Home / 1,644,287.10-2,269,109.58-919,134.39

Finding the Fourth Proportional to 1,644,287.10, 2,269,109.58 and 919,134.39

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Solution

The fourth proportional to 1,644,287.10, 2,269,109.58 and 919,134.39 is: 1,268,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,287.10 : 2,269,109.58 = 919,134.39 : x
  2. Step 2: Convert to fraction form
    1,644,287.10/2,269,109.58 = 919,134.39/x
  3. Step 3: Cross multiply
    1,644,287.10x = 2,269,109.58 × 919,134.39
  4. Step 4: Simplify right side
    1,644,287.10x = 2,085,616,649,656.46
  5. Step 5: Solve for x
    x = 2,085,616,649,656.46/1,644,287.10
  6. Step 6: Final answer
    x = 1,268,401.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.