Home / 1,434,100.49-1,979,201.63-1,070,893.78

Finding the Fourth Proportional to 1,434,100.49, 1,979,201.63 and 1,070,893.78

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Solution

The fourth proportional to 1,434,100.49, 1,979,201.63 and 1,070,893.78 is: 1,477,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,100.49 : 1,979,201.63 = 1,070,893.78 : x
  2. Step 2: Convert to fraction form
    1,434,100.49/1,979,201.63 = 1,070,893.78/x
  3. Step 3: Cross multiply
    1,434,100.49x = 1,979,201.63 × 1,070,893.78
  4. Step 4: Simplify right side
    1,434,100.49x = 2,119,514,719,472.38
  5. Step 5: Solve for x
    x = 2,119,514,719,472.38/1,434,100.49
  6. Step 6: Final answer
    x = 1,477,940.17

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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.