Home / 482,731.80-724,097.70-349,330.20

Finding the Fourth Proportional to 482,731.80, 724,097.70 and 349,330.20

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Solution

The fourth proportional to 482,731.80, 724,097.70 and 349,330.20 is: 523,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,731.80 : 724,097.70 = 349,330.20 : x
  2. Step 2: Convert to fraction form
    482,731.80/724,097.70 = 349,330.20/x
  3. Step 3: Cross multiply
    482,731.80x = 724,097.70 × 349,330.20
  4. Step 4: Simplify right side
    482,731.80x = 252,949,194,360.54
  5. Step 5: Solve for x
    x = 252,949,194,360.54/482,731.80
  6. Step 6: Final answer
    x = 523,995.30

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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.