Home / 869,545.18-1,199,971.25-482,419.33

Finding the Fourth Proportional to 869,545.18, 1,199,971.25 and 482,419.33

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Solution

The fourth proportional to 869,545.18, 1,199,971.25 and 482,419.33 is: 665,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,545.18 : 1,199,971.25 = 482,419.33 : x
  2. Step 2: Convert to fraction form
    869,545.18/1,199,971.25 = 482,419.33/x
  3. Step 3: Cross multiply
    869,545.18x = 1,199,971.25 × 482,419.33
  4. Step 4: Simplify right side
    869,545.18x = 578,889,324,032.17
  5. Step 5: Solve for x
    x = 578,889,324,032.17/869,545.18
  6. Step 6: Final answer
    x = 665,738.06

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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.