Home / 335,815.20-503,722.80-316,569.60

Finding the Fourth Proportional to 335,815.20, 503,722.80 and 316,569.60

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Solution

The fourth proportional to 335,815.20, 503,722.80 and 316,569.60 is: 474,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,815.20 : 503,722.80 = 316,569.60 : x
  2. Step 2: Convert to fraction form
    335,815.20/503,722.80 = 316,569.60/x
  3. Step 3: Cross multiply
    335,815.20x = 503,722.80 × 316,569.60
  4. Step 4: Simplify right side
    335,815.20x = 159,463,325,306.88
  5. Step 5: Solve for x
    x = 159,463,325,306.88/335,815.20
  6. Step 6: Final answer
    x = 474,854.40

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Similar ratio
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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.