Home / 723,773.40-1,085,660.10-534,816.60

Finding the Fourth Proportional to 723,773.40, 1,085,660.10 and 534,816.60

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Solution

The fourth proportional to 723,773.40, 1,085,660.10 and 534,816.60 is: 802,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,773.40 : 1,085,660.10 = 534,816.60 : x
  2. Step 2: Convert to fraction form
    723,773.40/1,085,660.10 = 534,816.60/x
  3. Step 3: Cross multiply
    723,773.40x = 1,085,660.10 × 534,816.60
  4. Step 4: Simplify right side
    723,773.40x = 580,629,043,437.66
  5. Step 5: Solve for x
    x = 580,629,043,437.66/723,773.40
  6. Step 6: Final answer
    x = 802,224.90

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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.