Home / 639,019.30-958,665.03-189,741.46

Finding the Fourth Proportional to 639,019.30, 958,665.03 and 189,741.46

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Solution

The fourth proportional to 639,019.30, 958,665.03 and 189,741.46 is: 284,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,019.30 : 958,665.03 = 189,741.46 : x
  2. Step 2: Convert to fraction form
    639,019.30/958,665.03 = 189,741.46/x
  3. Step 3: Cross multiply
    639,019.30x = 958,665.03 × 189,741.46
  4. Step 4: Simplify right side
    639,019.30x = 181,898,502,443.14
  5. Step 5: Solve for x
    x = 181,898,502,443.14/639,019.30
  6. Step 6: Final answer
    x = 284,652.60

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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.