Home / 456,476.10-684,714.15-231,749.70

Finding the Fourth Proportional to 456,476.10, 684,714.15 and 231,749.70

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Solution

The fourth proportional to 456,476.10, 684,714.15 and 231,749.70 is: 347,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,476.10 : 684,714.15 = 231,749.70 : x
  2. Step 2: Convert to fraction form
    456,476.10/684,714.15 = 231,749.70/x
  3. Step 3: Cross multiply
    456,476.10x = 684,714.15 × 231,749.70
  4. Step 4: Simplify right side
    456,476.10x = 158,682,298,848.26
  5. Step 5: Solve for x
    x = 158,682,298,848.26/456,476.10
  6. Step 6: Final answer
    x = 347,624.55

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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.