Home / 816,101.60-1,224,152.40-784,997.60

Finding the Fourth Proportional to 816,101.60, 1,224,152.40 and 784,997.60

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Solution

The fourth proportional to 816,101.60, 1,224,152.40 and 784,997.60 is: 1,177,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,101.60 : 1,224,152.40 = 784,997.60 : x
  2. Step 2: Convert to fraction form
    816,101.60/1,224,152.40 = 784,997.60/x
  3. Step 3: Cross multiply
    816,101.60x = 1,224,152.40 × 784,997.60
  4. Step 4: Simplify right side
    816,101.60x = 960,956,696,034.24
  5. Step 5: Solve for x
    x = 960,956,696,034.24/816,101.60
  6. Step 6: Final answer
    x = 1,177,496.40

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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.