Home / 827,123.60-1,241,851.80-512,195.60

Finding the Fourth Proportional to 827,123.60, 1,241,851.80 and 512,195.60

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Solution

The fourth proportional to 827,123.60, 1,241,851.80 and 512,195.60 is: 769,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,123.60 : 1,241,851.80 = 512,195.60 : x
  2. Step 2: Convert to fraction form
    827,123.60/1,241,851.80 = 512,195.60/x
  3. Step 3: Cross multiply
    827,123.60x = 1,241,851.80 × 512,195.60
  4. Step 4: Simplify right side
    827,123.60x = 636,071,027,812.08
  5. Step 5: Solve for x
    x = 636,071,027,812.08/827,123.60
  6. Step 6: Final answer
    x = 769,015.69

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Double scale
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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.