Home / 779,917.26-1,169,917.44-247,479.96

Finding the Fourth Proportional to 779,917.26, 1,169,917.44 and 247,479.96

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Solution

The fourth proportional to 779,917.26, 1,169,917.44 and 247,479.96 is: 371,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,917.26 : 1,169,917.44 = 247,479.96 : x
  2. Step 2: Convert to fraction form
    779,917.26/1,169,917.44 = 247,479.96/x
  3. Step 3: Cross multiply
    779,917.26x = 1,169,917.44 × 247,479.96
  4. Step 4: Simplify right side
    779,917.26x = 289,531,121,254.50
  5. Step 5: Solve for x
    x = 289,531,121,254.50/779,917.26
  6. Step 6: Final answer
    x = 371,233.12

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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.