Home / 1,111,573.62-1,667,361.03-312,855.14

Finding the Fourth Proportional to 1,111,573.62, 1,667,361.03 and 312,855.14

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Solution

The fourth proportional to 1,111,573.62, 1,667,361.03 and 312,855.14 is: 469,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,573.62 : 1,667,361.03 = 312,855.14 : x
  2. Step 2: Convert to fraction form
    1,111,573.62/1,667,361.03 = 312,855.14/x
  3. Step 3: Cross multiply
    1,111,573.62x = 1,667,361.03 × 312,855.14
  4. Step 4: Simplify right side
    1,111,573.62x = 521,642,460,134.39
  5. Step 5: Solve for x
    x = 521,642,460,134.39/1,111,573.62
  6. Step 6: Final answer
    x = 469,282.87

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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.