Home / 638,652.36-958,163.45-189,384.04

Finding the Fourth Proportional to 638,652.36, 958,163.45 and 189,384.04

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Solution

The fourth proportional to 638,652.36, 958,163.45 and 189,384.04 is: 284,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,652.36 : 958,163.45 = 189,384.04 : x
  2. Step 2: Convert to fraction form
    638,652.36/958,163.45 = 189,384.04/x
  3. Step 3: Cross multiply
    638,652.36x = 958,163.45 × 189,384.04
  4. Step 4: Simplify right side
    638,652.36x = 181,460,865,141.34
  5. Step 5: Solve for x
    x = 181,460,865,141.34/638,652.36
  6. Step 6: Final answer
    x = 284,130.89

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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.