Home / 628,009.10-942,013.65-603,514.70

Finding the Fourth Proportional to 628,009.10, 942,013.65 and 603,514.70

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Solution

The fourth proportional to 628,009.10, 942,013.65 and 603,514.70 is: 905,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,009.10 : 942,013.65 = 603,514.70 : x
  2. Step 2: Convert to fraction form
    628,009.10/942,013.65 = 603,514.70/x
  3. Step 3: Cross multiply
    628,009.10x = 942,013.65 × 603,514.70
  4. Step 4: Simplify right side
    628,009.10x = 568,519,085,375.66
  5. Step 5: Solve for x
    x = 568,519,085,375.66/628,009.10
  6. Step 6: Final answer
    x = 905,272.05

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Similar ratio
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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.