Home / 796,128.28-1,098,607.26-438,432.28

Finding the Fourth Proportional to 796,128.28, 1,098,607.26 and 438,432.28

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Solution

The fourth proportional to 796,128.28, 1,098,607.26 and 438,432.28 is: 605,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,128.28 : 1,098,607.26 = 438,432.28 : x
  2. Step 2: Convert to fraction form
    796,128.28/1,098,607.26 = 438,432.28/x
  3. Step 3: Cross multiply
    796,128.28x = 1,098,607.26 × 438,432.28
  4. Step 4: Simplify right side
    796,128.28x = 481,664,885,826.35
  5. Step 5: Solve for x
    x = 481,664,885,826.35/796,128.28
  6. Step 6: Final answer
    x = 605,009.14

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Half scale
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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.