Home / 746,396.10-1,030,028.40-424,213.20

Finding the Fourth Proportional to 746,396.10, 1,030,028.40 and 424,213.20

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Solution

The fourth proportional to 746,396.10, 1,030,028.40 and 424,213.20 is: 585,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,396.10 : 1,030,028.40 = 424,213.20 : x
  2. Step 2: Convert to fraction form
    746,396.10/1,030,028.40 = 424,213.20/x
  3. Step 3: Cross multiply
    746,396.10x = 1,030,028.40 × 424,213.20
  4. Step 4: Simplify right side
    746,396.10x = 436,951,643,654.88
  5. Step 5: Solve for x
    x = 436,951,643,654.88/746,396.10
  6. Step 6: Final answer
    x = 585,415.23

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.