Home / 769,534.20-1,154,301.30-629,566.20

Finding the Fourth Proportional to 769,534.20, 1,154,301.30 and 629,566.20

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Solution

The fourth proportional to 769,534.20, 1,154,301.30 and 629,566.20 is: 944,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,534.20 : 1,154,301.30 = 629,566.20 : x
  2. Step 2: Convert to fraction form
    769,534.20/1,154,301.30 = 629,566.20/x
  3. Step 3: Cross multiply
    769,534.20x = 1,154,301.30 × 629,566.20
  4. Step 4: Simplify right side
    769,534.20x = 726,709,083,096.06
  5. Step 5: Solve for x
    x = 726,709,083,096.06/769,534.20
  6. Step 6: Final answer
    x = 944,349.30

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Half scale
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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.