Home / 497,986.08-687,214.80-271,626.72

Finding the Fourth Proportional to 497,986.08, 687,214.80 and 271,626.72

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Solution

The fourth proportional to 497,986.08, 687,214.80 and 271,626.72 is: 374,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,986.08 : 687,214.80 = 271,626.72 : x
  2. Step 2: Convert to fraction form
    497,986.08/687,214.80 = 271,626.72/x
  3. Step 3: Cross multiply
    497,986.08x = 687,214.80 × 271,626.72
  4. Step 4: Simplify right side
    497,986.08x = 186,665,902,059.46
  5. Step 5: Solve for x
    x = 186,665,902,059.46/497,986.08
  6. Step 6: Final answer
    x = 374,841.61

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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.