Home / 908,467.96-1,253,675.74-515,998.16

Finding the Fourth Proportional to 908,467.96, 1,253,675.74 and 515,998.16

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Solution

The fourth proportional to 908,467.96, 1,253,675.74 and 515,998.16 is: 712,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,467.96 : 1,253,675.74 = 515,998.16 : x
  2. Step 2: Convert to fraction form
    908,467.96/1,253,675.74 = 515,998.16/x
  3. Step 3: Cross multiply
    908,467.96x = 1,253,675.74 × 515,998.16
  4. Step 4: Simplify right side
    908,467.96x = 646,894,375,076.64
  5. Step 5: Solve for x
    x = 646,894,375,076.64/908,467.96
  6. Step 6: Final answer
    x = 712,071.76

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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.