Home / 493,160.69-680,555.03-275,372.72

Finding the Fourth Proportional to 493,160.69, 680,555.03 and 275,372.72

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Solution

The fourth proportional to 493,160.69, 680,555.03 and 275,372.72 is: 380,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,160.69 : 680,555.03 = 275,372.72 : x
  2. Step 2: Convert to fraction form
    493,160.69/680,555.03 = 275,372.72/x
  3. Step 3: Cross multiply
    493,160.69x = 680,555.03 × 275,372.72
  4. Step 4: Simplify right side
    493,160.69x = 187,406,290,045.31
  5. Step 5: Solve for x
    x = 187,406,290,045.31/493,160.69
  6. Step 6: Final answer
    x = 380,010.60

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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.