Home / 868,181.76-1,198,095.84-481,009.40

Finding the Fourth Proportional to 868,181.76, 1,198,095.84 and 481,009.40

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Solution

The fourth proportional to 868,181.76, 1,198,095.84 and 481,009.40 is: 663,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,181.76 : 1,198,095.84 = 481,009.40 : x
  2. Step 2: Convert to fraction form
    868,181.76/1,198,095.84 = 481,009.40/x
  3. Step 3: Cross multiply
    868,181.76x = 1,198,095.84 × 481,009.40
  4. Step 4: Simplify right side
    868,181.76x = 576,295,361,140.90
  5. Step 5: Solve for x
    x = 576,295,361,140.90/868,181.76
  6. Step 6: Final answer
    x = 663,795.75

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1.5x scale

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.