Home / 756,042.70-1,134,582.45-335,620.30

Finding the Fourth Proportional to 756,042.70, 1,134,582.45 and 335,620.30

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Solution

The fourth proportional to 756,042.70, 1,134,582.45 and 335,620.30 is: 503,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,042.70 : 1,134,582.45 = 335,620.30 : x
  2. Step 2: Convert to fraction form
    756,042.70/1,134,582.45 = 335,620.30/x
  3. Step 3: Cross multiply
    756,042.70x = 1,134,582.45 × 335,620.30
  4. Step 4: Simplify right side
    756,042.70x = 380,788,902,243.74
  5. Step 5: Solve for x
    x = 380,788,902,243.74/756,042.70
  6. Step 6: Final answer
    x = 503,660.58

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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.