Home / 1,266,940.36-1,900,534.20-368,389

Finding the Fourth Proportional to 1,266,940.36, 1,900,534.20 and 368,389

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Solution

The fourth proportional to 1,266,940.36, 1,900,534.20 and 368,389 is: 552,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,940.36 : 1,900,534.20 = 368,389 : x
  2. Step 2: Convert to fraction form
    1,266,940.36/1,900,534.20 = 368,389/x
  3. Step 3: Cross multiply
    1,266,940.36x = 1,900,534.20 × 368,389
  4. Step 4: Simplify right side
    1,266,940.36x = 700,135,893,403.80
  5. Step 5: Solve for x
    x = 700,135,893,403.80/1,266,940.36
  6. Step 6: Final answer
    x = 552,619.46

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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.