Home / 863,481.05-1,293,538.49-525,683.85

Finding the Fourth Proportional to 863,481.05, 1,293,538.49 and 525,683.85

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Solution

The fourth proportional to 863,481.05, 1,293,538.49 and 525,683.85 is: 787,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,481.05 : 1,293,538.49 = 525,683.85 : x
  2. Step 2: Convert to fraction form
    863,481.05/1,293,538.49 = 525,683.85/x
  3. Step 3: Cross multiply
    863,481.05x = 1,293,538.49 × 525,683.85
  4. Step 4: Simplify right side
    863,481.05x = 679,992,290,917.97
  5. Step 5: Solve for x
    x = 679,992,290,917.97/863,481.05
  6. Step 6: Final answer
    x = 787,501.12

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1.5x scale

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.