Home / 1,611,281.65-2,223,524.28-886,129.36

Finding the Fourth Proportional to 1,611,281.65, 2,223,524.28 and 886,129.36

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Solution

The fourth proportional to 1,611,281.65, 2,223,524.28 and 886,129.36 is: 1,222,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,281.65 : 2,223,524.28 = 886,129.36 : x
  2. Step 2: Convert to fraction form
    1,611,281.65/2,223,524.28 = 886,129.36/x
  3. Step 3: Cross multiply
    1,611,281.65x = 2,223,524.28 × 886,129.36
  4. Step 4: Simplify right side
    1,611,281.65x = 1,970,330,147,180.86
  5. Step 5: Solve for x
    x = 1,970,330,147,180.86/1,611,281.65
  6. Step 6: Final answer
    x = 1,222,834.10

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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.