Home / 1,140,163.04-1,573,400.72-623,914.86

Finding the Fourth Proportional to 1,140,163.04, 1,573,400.72 and 623,914.86

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Solution

The fourth proportional to 1,140,163.04, 1,573,400.72 and 623,914.86 is: 860,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,163.04 : 1,573,400.72 = 623,914.86 : x
  2. Step 2: Convert to fraction form
    1,140,163.04/1,573,400.72 = 623,914.86/x
  3. Step 3: Cross multiply
    1,140,163.04x = 1,573,400.72 × 623,914.86
  4. Step 4: Simplify right side
    1,140,163.04x = 981,668,089,942.70
  5. Step 5: Solve for x
    x = 981,668,089,942.70/1,140,163.04
  6. Step 6: Final answer
    x = 860,989.22

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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.