Home / 642,092.14-886,011.19-370,249.35

Finding the Fourth Proportional to 642,092.14, 886,011.19 and 370,249.35

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Solution

The fourth proportional to 642,092.14, 886,011.19 and 370,249.35 is: 510,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,092.14 : 886,011.19 = 370,249.35 : x
  2. Step 2: Convert to fraction form
    642,092.14/886,011.19 = 370,249.35/x
  3. Step 3: Cross multiply
    642,092.14x = 886,011.19 × 370,249.35
  4. Step 4: Simplify right side
    642,092.14x = 328,045,067,190.23
  5. Step 5: Solve for x
    x = 328,045,067,190.23/642,092.14
  6. Step 6: Final answer
    x = 510,900.30

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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.