Home / 1,690,556.19-2,333,217.94-1,070,419

Finding the Fourth Proportional to 1,690,556.19, 2,333,217.94 and 1,070,419

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Solution

The fourth proportional to 1,690,556.19, 2,333,217.94 and 1,070,419 is: 1,477,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,556.19 : 2,333,217.94 = 1,070,419 : x
  2. Step 2: Convert to fraction form
    1,690,556.19/2,333,217.94 = 1,070,419/x
  3. Step 3: Cross multiply
    1,690,556.19x = 2,333,217.94 × 1,070,419
  4. Step 4: Simplify right side
    1,690,556.19x = 2,497,520,814,116.86
  5. Step 5: Solve for x
    x = 2,497,520,814,116.86/1,690,556.19
  6. Step 6: Final answer
    x = 1,477,336.77

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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.