Home / 786,717.77-1,180,046.27-225,752.27

Finding the Fourth Proportional to 786,717.77, 1,180,046.27 and 225,752.27

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Solution

The fourth proportional to 786,717.77, 1,180,046.27 and 225,752.27 is: 338,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,717.77 : 1,180,046.27 = 225,752.27 : x
  2. Step 2: Convert to fraction form
    786,717.77/1,180,046.27 = 225,752.27/x
  3. Step 3: Cross multiply
    786,717.77x = 1,180,046.27 × 225,752.27
  4. Step 4: Simplify right side
    786,717.77x = 266,398,118,821.68
  5. Step 5: Solve for x
    x = 266,398,118,821.68/786,717.77
  6. Step 6: Final answer
    x = 338,619.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.