Home / 748,834.21-1,033,391.73-409,302.46

Finding the Fourth Proportional to 748,834.21, 1,033,391.73 and 409,302.46

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Solution

The fourth proportional to 748,834.21, 1,033,391.73 and 409,302.46 is: 564,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,834.21 : 1,033,391.73 = 409,302.46 : x
  2. Step 2: Convert to fraction form
    748,834.21/1,033,391.73 = 409,302.46/x
  3. Step 3: Cross multiply
    748,834.21x = 1,033,391.73 × 409,302.46
  4. Step 4: Simplify right side
    748,834.21x = 422,969,777,232.66
  5. Step 5: Solve for x
    x = 422,969,777,232.66/748,834.21
  6. Step 6: Final answer
    x = 564,837.68

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Double scale
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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.