Home / 613,983.40-920,954.28-187,502.02

Finding the Fourth Proportional to 613,983.40, 920,954.28 and 187,502.02

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Solution

The fourth proportional to 613,983.40, 920,954.28 and 187,502.02 is: 281,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,983.40 : 920,954.28 = 187,502.02 : x
  2. Step 2: Convert to fraction form
    613,983.40/920,954.28 = 187,502.02/x
  3. Step 3: Cross multiply
    613,983.40x = 920,954.28 × 187,502.02
  4. Step 4: Simplify right side
    613,983.40x = 172,680,787,827.65
  5. Step 5: Solve for x
    x = 172,680,787,827.65/613,983.40
  6. Step 6: Final answer
    x = 281,246.67

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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.