Home / 623,189.20-934,783.80-223,891.60

Finding the Fourth Proportional to 623,189.20, 934,783.80 and 223,891.60

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Solution

The fourth proportional to 623,189.20, 934,783.80 and 223,891.60 is: 335,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,189.20 : 934,783.80 = 223,891.60 : x
  2. Step 2: Convert to fraction form
    623,189.20/934,783.80 = 223,891.60/x
  3. Step 3: Cross multiply
    623,189.20x = 934,783.80 × 223,891.60
  4. Step 4: Simplify right side
    623,189.20x = 209,290,240,636.08
  5. Step 5: Solve for x
    x = 209,290,240,636.08/623,189.20
  6. Step 6: Final answer
    x = 335,837.40

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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.