Home / 410,828.80-616,243.20-284,857.60

Finding the Fourth Proportional to 410,828.80, 616,243.20 and 284,857.60

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Solution

The fourth proportional to 410,828.80, 616,243.20 and 284,857.60 is: 427,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,828.80 : 616,243.20 = 284,857.60 : x
  2. Step 2: Convert to fraction form
    410,828.80/616,243.20 = 284,857.60/x
  3. Step 3: Cross multiply
    410,828.80x = 616,243.20 × 284,857.60
  4. Step 4: Simplify right side
    410,828.80x = 175,541,558,968.32
  5. Step 5: Solve for x
    x = 175,541,558,968.32/410,828.80
  6. Step 6: Final answer
    x = 427,286.40

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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.