Home / 1,245,092.40-1,867,383.45-346,308.30

Finding the Fourth Proportional to 1,245,092.40, 1,867,383.45 and 346,308.30

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Solution

The fourth proportional to 1,245,092.40, 1,867,383.45 and 346,308.30 is: 519,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,092.40 : 1,867,383.45 = 346,308.30 : x
  2. Step 2: Convert to fraction form
    1,245,092.40/1,867,383.45 = 346,308.30/x
  3. Step 3: Cross multiply
    1,245,092.40x = 1,867,383.45 × 346,308.30
  4. Step 4: Simplify right side
    1,245,092.40x = 646,690,388,017.64
  5. Step 5: Solve for x
    x = 646,690,388,017.64/1,245,092.40
  6. Step 6: Final answer
    x = 519,391.48

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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.