Home / 792,111.10-1,188,166.65-365,646.10

Finding the Fourth Proportional to 792,111.10, 1,188,166.65 and 365,646.10

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Solution

The fourth proportional to 792,111.10, 1,188,166.65 and 365,646.10 is: 548,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,111.10 : 1,188,166.65 = 365,646.10 : x
  2. Step 2: Convert to fraction form
    792,111.10/1,188,166.65 = 365,646.10/x
  3. Step 3: Cross multiply
    792,111.10x = 1,188,166.65 × 365,646.10
  4. Step 4: Simplify right side
    792,111.10x = 434,448,501,722.57
  5. Step 5: Solve for x
    x = 434,448,501,722.57/792,111.10
  6. Step 6: Final answer
    x = 548,469.15

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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.