Home / 410,836.80-616,255.20-284,865.60

Finding the Fourth Proportional to 410,836.80, 616,255.20 and 284,865.60

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Solution

The fourth proportional to 410,836.80, 616,255.20 and 284,865.60 is: 427,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,836.80 : 616,255.20 = 284,865.60 : x
  2. Step 2: Convert to fraction form
    410,836.80/616,255.20 = 284,865.60/x
  3. Step 3: Cross multiply
    410,836.80x = 616,255.20 × 284,865.60
  4. Step 4: Simplify right side
    410,836.80x = 175,549,907,301.12
  5. Step 5: Solve for x
    x = 175,549,907,301.12/410,836.80
  6. Step 6: Final answer
    x = 427,298.40

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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.