Home / 348,741.40-523,112.10-327,746.20

Finding the Fourth Proportional to 348,741.40, 523,112.10 and 327,746.20

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Solution

The fourth proportional to 348,741.40, 523,112.10 and 327,746.20 is: 491,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,741.40 : 523,112.10 = 327,746.20 : x
  2. Step 2: Convert to fraction form
    348,741.40/523,112.10 = 327,746.20/x
  3. Step 3: Cross multiply
    348,741.40x = 523,112.10 × 327,746.20
  4. Step 4: Simplify right side
    348,741.40x = 171,448,002,949.02
  5. Step 5: Solve for x
    x = 171,448,002,949.02/348,741.40
  6. Step 6: Final answer
    x = 491,619.30

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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.