Home / 1,087,869.96-1,632,340.08-489,254.04

Finding the Fourth Proportional to 1,087,869.96, 1,632,340.08 and 489,254.04

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Solution

The fourth proportional to 1,087,869.96, 1,632,340.08 and 489,254.04 is: 734,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,869.96 : 1,632,340.08 = 489,254.04 : x
  2. Step 2: Convert to fraction form
    1,087,869.96/1,632,340.08 = 489,254.04/x
  3. Step 3: Cross multiply
    1,087,869.96x = 1,632,340.08 × 489,254.04
  4. Step 4: Simplify right side
    1,087,869.96x = 798,628,978,793.92
  5. Step 5: Solve for x
    x = 798,628,978,793.92/1,087,869.96
  6. Step 6: Final answer
    x = 734,121.73

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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.