Home / 623,155.20-934,732.80-223,857.60

Finding the Fourth Proportional to 623,155.20, 934,732.80 and 223,857.60

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Solution

The fourth proportional to 623,155.20, 934,732.80 and 223,857.60 is: 335,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,155.20 : 934,732.80 = 223,857.60 : x
  2. Step 2: Convert to fraction form
    623,155.20/934,732.80 = 223,857.60/x
  3. Step 3: Cross multiply
    623,155.20x = 934,732.80 × 223,857.60
  4. Step 4: Simplify right side
    623,155.20x = 209,247,041,249.28
  5. Step 5: Solve for x
    x = 209,247,041,249.28/623,155.20
  6. Step 6: Final answer
    x = 335,786.40

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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.