Home / 749,120.50-1,033,786.29-409,588.75

Finding the Fourth Proportional to 749,120.50, 1,033,786.29 and 409,588.75

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Solution

The fourth proportional to 749,120.50, 1,033,786.29 and 409,588.75 is: 565,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,120.50 : 1,033,786.29 = 409,588.75 : x
  2. Step 2: Convert to fraction form
    749,120.50/1,033,786.29 = 409,588.75/x
  3. Step 3: Cross multiply
    749,120.50x = 1,033,786.29 × 409,588.75
  4. Step 4: Simplify right side
    749,120.50x = 423,427,237,116.43
  5. Step 5: Solve for x
    x = 423,427,237,116.43/749,120.50
  6. Step 6: Final answer
    x = 565,232.48

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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.