Home / 500,832.17-691,071.94-282,961.35

Finding the Fourth Proportional to 500,832.17, 691,071.94 and 282,961.35

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Solution

The fourth proportional to 500,832.17, 691,071.94 and 282,961.35 is: 390,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832.17 : 691,071.94 = 282,961.35 : x
  2. Step 2: Convert to fraction form
    500,832.17/691,071.94 = 282,961.35/x
  3. Step 3: Cross multiply
    500,832.17x = 691,071.94 × 282,961.35
  4. Step 4: Simplify right side
    500,832.17x = 195,546,649,089.52
  5. Step 5: Solve for x
    x = 195,546,649,089.52/500,832.17
  6. Step 6: Final answer
    x = 390,443.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.