Home / 683,612.60-1,025,009.30-351,836.60

Finding the Fourth Proportional to 683,612.60, 1,025,009.30 and 351,836.60

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Solution

The fourth proportional to 683,612.60, 1,025,009.30 and 351,836.60 is: 527,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,612.60 : 1,025,009.30 = 351,836.60 : x
  2. Step 2: Convert to fraction form
    683,612.60/1,025,009.30 = 351,836.60/x
  3. Step 3: Cross multiply
    683,612.60x = 1,025,009.30 × 351,836.60
  4. Step 4: Simplify right side
    683,612.60x = 360,635,787,080.38
  5. Step 5: Solve for x
    x = 360,635,787,080.38/683,612.60
  6. Step 6: Final answer
    x = 527,544.09

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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.