Home / 483,059.20-724,588.80-315,097.60

Finding the Fourth Proportional to 483,059.20, 724,588.80 and 315,097.60

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Solution

The fourth proportional to 483,059.20, 724,588.80 and 315,097.60 is: 472,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,059.20 : 724,588.80 = 315,097.60 : x
  2. Step 2: Convert to fraction form
    483,059.20/724,588.80 = 315,097.60/x
  3. Step 3: Cross multiply
    483,059.20x = 724,588.80 × 315,097.60
  4. Step 4: Simplify right side
    483,059.20x = 228,316,191,866.88
  5. Step 5: Solve for x
    x = 228,316,191,866.88/483,059.20
  6. Step 6: Final answer
    x = 472,646.40

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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.