Home / 723,485.03-1,085,383.08-243,760.50

Finding the Fourth Proportional to 723,485.03, 1,085,383.08 and 243,760.50

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Solution

The fourth proportional to 723,485.03, 1,085,383.08 and 243,760.50 is: 365,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,485.03 : 1,085,383.08 = 243,760.50 : x
  2. Step 2: Convert to fraction form
    723,485.03/1,085,383.08 = 243,760.50/x
  3. Step 3: Cross multiply
    723,485.03x = 1,085,383.08 × 243,760.50
  4. Step 4: Simplify right side
    723,485.03x = 264,573,522,272.34
  5. Step 5: Solve for x
    x = 264,573,522,272.34/723,485.03
  6. Step 6: Final answer
    x = 365,693.16

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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.