Home / 349,736.20-523,826.70-303,080.20

Finding the Fourth Proportional to 349,736.20, 523,826.70 and 303,080.20

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Solution

The fourth proportional to 349,736.20, 523,826.70 and 303,080.20 is: 453,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,736.20 : 523,826.70 = 303,080.20 : x
  2. Step 2: Convert to fraction form
    349,736.20/523,826.70 = 303,080.20/x
  3. Step 3: Cross multiply
    349,736.20x = 523,826.70 × 303,080.20
  4. Step 4: Simplify right side
    349,736.20x = 158,761,501,001.34
  5. Step 5: Solve for x
    x = 158,761,501,001.34/349,736.20
  6. Step 6: Final answer
    x = 453,946.43

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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.