Home / 335,923.80-503,885.70-319,594.20

Finding the Fourth Proportional to 335,923.80, 503,885.70 and 319,594.20

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Solution

The fourth proportional to 335,923.80, 503,885.70 and 319,594.20 is: 479,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,923.80 : 503,885.70 = 319,594.20 : x
  2. Step 2: Convert to fraction form
    335,923.80/503,885.70 = 319,594.20/x
  3. Step 3: Cross multiply
    335,923.80x = 503,885.70 × 319,594.20
  4. Step 4: Simplify right side
    335,923.80x = 161,038,947,182.94
  5. Step 5: Solve for x
    x = 161,038,947,182.94/335,923.80
  6. Step 6: Final answer
    x = 479,391.30

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Double scale
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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.