Home / 742,082.97-1,024,074.81-419,786.22

Finding the Fourth Proportional to 742,082.97, 1,024,074.81 and 419,786.22

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Solution

The fourth proportional to 742,082.97, 1,024,074.81 and 419,786.22 is: 579,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082.97 : 1,024,074.81 = 419,786.22 : x
  2. Step 2: Convert to fraction form
    742,082.97/1,024,074.81 = 419,786.22/x
  3. Step 3: Cross multiply
    742,082.97x = 1,024,074.81 × 419,786.22
  4. Step 4: Simplify right side
    742,082.97x = 429,892,493,487.12
  5. Step 5: Solve for x
    x = 429,892,493,487.12/742,082.97
  6. Step 6: Final answer
    x = 579,305.16

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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.