Home / 922,664.40-1,383,996.60-257,816.40

Finding the Fourth Proportional to 922,664.40, 1,383,996.60 and 257,816.40

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Solution

The fourth proportional to 922,664.40, 1,383,996.60 and 257,816.40 is: 386,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,664.40 : 1,383,996.60 = 257,816.40 : x
  2. Step 2: Convert to fraction form
    922,664.40/1,383,996.60 = 257,816.40/x
  3. Step 3: Cross multiply
    922,664.40x = 1,383,996.60 × 257,816.40
  4. Step 4: Simplify right side
    922,664.40x = 356,817,021,024.24
  5. Step 5: Solve for x
    x = 356,817,021,024.24/922,664.40
  6. Step 6: Final answer
    x = 386,724.60

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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.