Home / 526,727.76-726,882.30-285,010.80

Finding the Fourth Proportional to 526,727.76, 726,882.30 and 285,010.80

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Solution

The fourth proportional to 526,727.76, 726,882.30 and 285,010.80 is: 393,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,727.76 : 726,882.30 = 285,010.80 : x
  2. Step 2: Convert to fraction form
    526,727.76/726,882.30 = 285,010.80/x
  3. Step 3: Cross multiply
    526,727.76x = 726,882.30 × 285,010.80
  4. Step 4: Simplify right side
    526,727.76x = 207,169,305,828.84
  5. Step 5: Solve for x
    x = 207,169,305,828.84/526,727.76
  6. Step 6: Final answer
    x = 393,313.82

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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.