Home / 830,805.85-1,246,190.55-231,750.10

Finding the Fourth Proportional to 830,805.85, 1,246,190.55 and 231,750.10

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Solution

The fourth proportional to 830,805.85, 1,246,190.55 and 231,750.10 is: 347,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,805.85 : 1,246,190.55 = 231,750.10 : x
  2. Step 2: Convert to fraction form
    830,805.85/1,246,190.55 = 231,750.10/x
  3. Step 3: Cross multiply
    830,805.85x = 1,246,190.55 × 231,750.10
  4. Step 4: Simplify right side
    830,805.85x = 288,804,784,581.56
  5. Step 5: Solve for x
    x = 288,804,784,581.56/830,805.85
  6. Step 6: Final answer
    x = 347,620.07

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Double scale
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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.