Home / 769,035.80-1,153,553.70-453,848.60

Finding the Fourth Proportional to 769,035.80, 1,153,553.70 and 453,848.60

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Solution

The fourth proportional to 769,035.80, 1,153,553.70 and 453,848.60 is: 680,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,035.80 : 1,153,553.70 = 453,848.60 : x
  2. Step 2: Convert to fraction form
    769,035.80/1,153,553.70 = 453,848.60/x
  3. Step 3: Cross multiply
    769,035.80x = 1,153,553.70 × 453,848.60
  4. Step 4: Simplify right side
    769,035.80x = 523,538,731,769.82
  5. Step 5: Solve for x
    x = 523,538,731,769.82/769,035.80
  6. Step 6: Final answer
    x = 680,772.90

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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.