Home / 823,994.25-1,235,999.07-291,605.55

Finding the Fourth Proportional to 823,994.25, 1,235,999.07 and 291,605.55

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Solution

The fourth proportional to 823,994.25, 1,235,999.07 and 291,605.55 is: 437,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,994.25 : 1,235,999.07 = 291,605.55 : x
  2. Step 2: Convert to fraction form
    823,994.25/1,235,999.07 = 291,605.55/x
  3. Step 3: Cross multiply
    823,994.25x = 1,235,999.07 × 291,605.55
  4. Step 4: Simplify right side
    823,994.25x = 360,424,188,606.84
  5. Step 5: Solve for x
    x = 360,424,188,606.84/823,994.25
  6. Step 6: Final answer
    x = 437,411.05

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Half scale
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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.