Home / 1,131,081.12-1,696,577.40-383,127.12

Finding the Fourth Proportional to 1,131,081.12, 1,696,577.40 and 383,127.12

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Solution

The fourth proportional to 1,131,081.12, 1,696,577.40 and 383,127.12 is: 574,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,081.12 : 1,696,577.40 = 383,127.12 : x
  2. Step 2: Convert to fraction form
    1,131,081.12/1,696,577.40 = 383,127.12/x
  3. Step 3: Cross multiply
    1,131,081.12x = 1,696,577.40 × 383,127.12
  4. Step 4: Simplify right side
    1,131,081.12x = 650,004,813,119.09
  5. Step 5: Solve for x
    x = 650,004,813,119.09/1,131,081.12
  6. Step 6: Final answer
    x = 574,675.68

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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.