Home / 984,552.40-1,476,828.60-319,704.40

Finding the Fourth Proportional to 984,552.40, 1,476,828.60 and 319,704.40

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Solution

The fourth proportional to 984,552.40, 1,476,828.60 and 319,704.40 is: 479,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,552.40 : 1,476,828.60 = 319,704.40 : x
  2. Step 2: Convert to fraction form
    984,552.40/1,476,828.60 = 319,704.40/x
  3. Step 3: Cross multiply
    984,552.40x = 1,476,828.60 × 319,704.40
  4. Step 4: Simplify right side
    984,552.40x = 472,148,601,465.84
  5. Step 5: Solve for x
    x = 472,148,601,465.84/984,552.40
  6. Step 6: Final answer
    x = 479,556.60

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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.