Home / 672,987.18-928,733.37-367,063.56

Finding the Fourth Proportional to 672,987.18, 928,733.37 and 367,063.56

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Solution

The fourth proportional to 672,987.18, 928,733.37 and 367,063.56 is: 506,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,987.18 : 928,733.37 = 367,063.56 : x
  2. Step 2: Convert to fraction form
    672,987.18/928,733.37 = 367,063.56/x
  3. Step 3: Cross multiply
    672,987.18x = 928,733.37 × 367,063.56
  4. Step 4: Simplify right side
    672,987.18x = 340,904,177,083.00
  5. Step 5: Solve for x
    x = 340,904,177,083.00/672,987.18
  6. Step 6: Final answer
    x = 506,553.75

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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.