Home / 1,213,816.32-1,817,619.84-1,177,897.86

Finding the Fourth Proportional to 1,213,816.32, 1,817,619.84 and 1,177,897.86

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Solution

The fourth proportional to 1,213,816.32, 1,817,619.84 and 1,177,897.86 is: 1,763,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,816.32 : 1,817,619.84 = 1,177,897.86 : x
  2. Step 2: Convert to fraction form
    1,213,816.32/1,817,619.84 = 1,177,897.86/x
  3. Step 3: Cross multiply
    1,213,816.32x = 1,817,619.84 × 1,177,897.86
  4. Step 4: Simplify right side
    1,213,816.32x = 2,140,970,519,829.54
  5. Step 5: Solve for x
    x = 2,140,970,519,829.54/1,213,816.32
  6. Step 6: Final answer
    x = 1,763,834.02

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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.