Home / 812,010.60-1,216,979.10-624,090.60

Finding the Fourth Proportional to 812,010.60, 1,216,979.10 and 624,090.60

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Solution

The fourth proportional to 812,010.60, 1,216,979.10 and 624,090.60 is: 935,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,010.60 : 1,216,979.10 = 624,090.60 : x
  2. Step 2: Convert to fraction form
    812,010.60/1,216,979.10 = 624,090.60/x
  3. Step 3: Cross multiply
    812,010.60x = 1,216,979.10 × 624,090.60
  4. Step 4: Simplify right side
    812,010.60x = 759,505,216,706.46
  5. Step 5: Solve for x
    x = 759,505,216,706.46/812,010.60
  6. Step 6: Final answer
    x = 935,339.04

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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.