Home / 475,822.12-656,633.19-271,936.31

Finding the Fourth Proportional to 475,822.12, 656,633.19 and 271,936.31

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Solution

The fourth proportional to 475,822.12, 656,633.19 and 271,936.31 is: 375,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,822.12 : 656,633.19 = 271,936.31 : x
  2. Step 2: Convert to fraction form
    475,822.12/656,633.19 = 271,936.31/x
  3. Step 3: Cross multiply
    475,822.12x = 656,633.19 × 271,936.31
  4. Step 4: Simplify right side
    475,822.12x = 178,562,406,911.10
  5. Step 5: Solve for x
    x = 178,562,406,911.10/475,822.12
  6. Step 6: Final answer
    x = 375,271.35

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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.