Home / 1,189,221.84-1,641,016.20-705,703.44

Finding the Fourth Proportional to 1,189,221.84, 1,641,016.20 and 705,703.44

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Solution

The fourth proportional to 1,189,221.84, 1,641,016.20 and 705,703.44 is: 973,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,221.84 : 1,641,016.20 = 705,703.44 : x
  2. Step 2: Convert to fraction form
    1,189,221.84/1,641,016.20 = 705,703.44/x
  3. Step 3: Cross multiply
    1,189,221.84x = 1,641,016.20 × 705,703.44
  4. Step 4: Simplify right side
    1,189,221.84x = 1,158,070,777,435.73
  5. Step 5: Solve for x
    x = 1,158,070,777,435.73/1,189,221.84
  6. Step 6: Final answer
    x = 973,805.51

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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.