Home / 1,328,171.40-1,992,257.10-441,707.40

Finding the Fourth Proportional to 1,328,171.40, 1,992,257.10 and 441,707.40

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Solution

The fourth proportional to 1,328,171.40, 1,992,257.10 and 441,707.40 is: 662,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,171.40 : 1,992,257.10 = 441,707.40 : x
  2. Step 2: Convert to fraction form
    1,328,171.40/1,992,257.10 = 441,707.40/x
  3. Step 3: Cross multiply
    1,328,171.40x = 1,992,257.10 × 441,707.40
  4. Step 4: Simplify right side
    1,328,171.40x = 879,994,703,772.54
  5. Step 5: Solve for x
    x = 879,994,703,772.54/1,328,171.40
  6. Step 6: Final answer
    x = 662,561.10

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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.