Home / 493,316.70-680,777.03-266,962.20

Finding the Fourth Proportional to 493,316.70, 680,777.03 and 266,962.20

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Solution

The fourth proportional to 493,316.70, 680,777.03 and 266,962.20 is: 368,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,316.70 : 680,777.03 = 266,962.20 : x
  2. Step 2: Convert to fraction form
    493,316.70/680,777.03 = 266,962.20/x
  3. Step 3: Cross multiply
    493,316.70x = 680,777.03 × 266,962.20
  4. Step 4: Simplify right side
    493,316.70x = 181,741,733,638.27
  5. Step 5: Solve for x
    x = 181,741,733,638.27/493,316.70
  6. Step 6: Final answer
    x = 368,407.83

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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.