Home / 772,253.04-1,066,228.20-482,305.44

Finding the Fourth Proportional to 772,253.04, 1,066,228.20 and 482,305.44

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Solution

The fourth proportional to 772,253.04, 1,066,228.20 and 482,305.44 is: 665,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,253.04 : 1,066,228.20 = 482,305.44 : x
  2. Step 2: Convert to fraction form
    772,253.04/1,066,228.20 = 482,305.44/x
  3. Step 3: Cross multiply
    772,253.04x = 1,066,228.20 × 482,305.44
  4. Step 4: Simplify right side
    772,253.04x = 514,247,661,141.41
  5. Step 5: Solve for x
    x = 514,247,661,141.41/772,253.04
  6. Step 6: Final answer
    x = 665,905.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.