Home / 776,096.40-1,164,144.60-657,998.40

Finding the Fourth Proportional to 776,096.40, 1,164,144.60 and 657,998.40

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Solution

The fourth proportional to 776,096.40, 1,164,144.60 and 657,998.40 is: 986,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,096.40 : 1,164,144.60 = 657,998.40 : x
  2. Step 2: Convert to fraction form
    776,096.40/1,164,144.60 = 657,998.40/x
  3. Step 3: Cross multiply
    776,096.40x = 1,164,144.60 × 657,998.40
  4. Step 4: Simplify right side
    776,096.40x = 766,005,284,168.64
  5. Step 5: Solve for x
    x = 766,005,284,168.64/776,096.40
  6. Step 6: Final answer
    x = 986,997.60

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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.