Home / 867,234.60-1,300,851.90-236,147.40

Finding the Fourth Proportional to 867,234.60, 1,300,851.90 and 236,147.40

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Solution

The fourth proportional to 867,234.60, 1,300,851.90 and 236,147.40 is: 354,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,234.60 : 1,300,851.90 = 236,147.40 : x
  2. Step 2: Convert to fraction form
    867,234.60/1,300,851.90 = 236,147.40/x
  3. Step 3: Cross multiply
    867,234.60x = 1,300,851.90 × 236,147.40
  4. Step 4: Simplify right side
    867,234.60x = 307,192,793,970.06
  5. Step 5: Solve for x
    x = 307,192,793,970.06/867,234.60
  6. Step 6: Final answer
    x = 354,221.10

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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.