Home / 1,003,232.40-1,504,848.60-329,417.70

Finding the Fourth Proportional to 1,003,232.40, 1,504,848.60 and 329,417.70

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Solution

The fourth proportional to 1,003,232.40, 1,504,848.60 and 329,417.70 is: 494,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,232.40 : 1,504,848.60 = 329,417.70 : x
  2. Step 2: Convert to fraction form
    1,003,232.40/1,504,848.60 = 329,417.70/x
  3. Step 3: Cross multiply
    1,003,232.40x = 1,504,848.60 × 329,417.70
  4. Step 4: Simplify right side
    1,003,232.40x = 495,723,764,660.22
  5. Step 5: Solve for x
    x = 495,723,764,660.22/1,003,232.40
  6. Step 6: Final answer
    x = 494,126.55

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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.