Home / 400,050.20-551,809.14-256,583

Finding the Fourth Proportional to 400,050.20, 551,809.14 and 256,583

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Solution

The fourth proportional to 400,050.20, 551,809.14 and 256,583 is: 353,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,050.20 : 551,809.14 = 256,583 : x
  2. Step 2: Convert to fraction form
    400,050.20/551,809.14 = 256,583/x
  3. Step 3: Cross multiply
    400,050.20x = 551,809.14 × 256,583
  4. Step 4: Simplify right side
    400,050.20x = 141,584,844,568.62
  5. Step 5: Solve for x
    x = 141,584,844,568.62/400,050.20
  6. Step 6: Final answer
    x = 353,917.69

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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.