Home / 493,126.32-680,507.66-275,338.36

Finding the Fourth Proportional to 493,126.32, 680,507.66 and 275,338.36

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Solution

The fourth proportional to 493,126.32, 680,507.66 and 275,338.36 is: 379,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,126.32 : 680,507.66 = 275,338.36 : x
  2. Step 2: Convert to fraction form
    493,126.32/680,507.66 = 275,338.36/x
  3. Step 3: Cross multiply
    493,126.32x = 680,507.66 × 275,338.36
  4. Step 4: Simplify right side
    493,126.32x = 187,369,863,071.84
  5. Step 5: Solve for x
    x = 187,369,863,071.84/493,126.32
  6. Step 6: Final answer
    x = 379,963.22

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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.