Home / 923,466.80-1,385,200.20-325,103.60

Finding the Fourth Proportional to 923,466.80, 1,385,200.20 and 325,103.60

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Solution

The fourth proportional to 923,466.80, 1,385,200.20 and 325,103.60 is: 487,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,466.80 : 1,385,200.20 = 325,103.60 : x
  2. Step 2: Convert to fraction form
    923,466.80/1,385,200.20 = 325,103.60/x
  3. Step 3: Cross multiply
    923,466.80x = 1,385,200.20 × 325,103.60
  4. Step 4: Simplify right side
    923,466.80x = 450,333,571,740.72
  5. Step 5: Solve for x
    x = 450,333,571,740.72/923,466.80
  6. Step 6: Final answer
    x = 487,655.40

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Half scale
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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.