Home / 1,177,739.50-1,625,280.60-641,195.50

Finding the Fourth Proportional to 1,177,739.50, 1,625,280.60 and 641,195.50

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Solution

The fourth proportional to 1,177,739.50, 1,625,280.60 and 641,195.50 is: 884,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,739.50 : 1,625,280.60 = 641,195.50 : x
  2. Step 2: Convert to fraction form
    1,177,739.50/1,625,280.60 = 641,195.50/x
  3. Step 3: Cross multiply
    1,177,739.50x = 1,625,280.60 × 641,195.50
  4. Step 4: Simplify right side
    1,177,739.50x = 1,042,122,606,957.30
  5. Step 5: Solve for x
    x = 1,042,122,606,957.30/1,177,739.50
  6. Step 6: Final answer
    x = 884,849.84

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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.