Home / 779,634.88-1,169,452.40-188,658.88

Finding the Fourth Proportional to 779,634.88, 1,169,452.40 and 188,658.88

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Solution

The fourth proportional to 779,634.88, 1,169,452.40 and 188,658.88 is: 282,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,634.88 : 1,169,452.40 = 188,658.88 : x
  2. Step 2: Convert to fraction form
    779,634.88/1,169,452.40 = 188,658.88/x
  3. Step 3: Cross multiply
    779,634.88x = 1,169,452.40 × 188,658.88
  4. Step 4: Simplify right side
    779,634.88x = 220,627,579,997.31
  5. Step 5: Solve for x
    x = 220,627,579,997.31/779,634.88
  6. Step 6: Final answer
    x = 282,988.34

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1.5x scale

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.