Home / 493,122.32-680,502.15-275,334.36

Finding the Fourth Proportional to 493,122.32, 680,502.15 and 275,334.36

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Solution

The fourth proportional to 493,122.32, 680,502.15 and 275,334.36 is: 379,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,122.32 : 680,502.15 = 275,334.36 : x
  2. Step 2: Convert to fraction form
    493,122.32/680,502.15 = 275,334.36/x
  3. Step 3: Cross multiply
    493,122.32x = 680,502.15 × 275,334.36
  4. Step 4: Simplify right side
    493,122.32x = 187,365,623,948.87
  5. Step 5: Solve for x
    x = 187,365,623,948.87/493,122.32
  6. Step 6: Final answer
    x = 379,957.70

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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.