Home / 812,043.60-1,217,028.60-624,123.60

Finding the Fourth Proportional to 812,043.60, 1,217,028.60 and 624,123.60

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Solution

The fourth proportional to 812,043.60, 1,217,028.60 and 624,123.60 is: 935,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,043.60 : 1,217,028.60 = 624,123.60 : x
  2. Step 2: Convert to fraction form
    812,043.60/1,217,028.60 = 624,123.60/x
  3. Step 3: Cross multiply
    812,043.60x = 1,217,028.60 × 624,123.60
  4. Step 4: Simplify right side
    812,043.60x = 759,576,271,134.96
  5. Step 5: Solve for x
    x = 759,576,271,134.96/812,043.60
  6. Step 6: Final answer
    x = 935,388.53

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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.