Home / 1,189,310.04-1,783,979.64-347,878.80

Finding the Fourth Proportional to 1,189,310.04, 1,783,979.64 and 347,878.80

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Solution

The fourth proportional to 1,189,310.04, 1,783,979.64 and 347,878.80 is: 521,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,310.04 : 1,783,979.64 = 347,878.80 : x
  2. Step 2: Convert to fraction form
    1,189,310.04/1,783,979.64 = 347,878.80/x
  3. Step 3: Cross multiply
    1,189,310.04x = 1,783,979.64 × 347,878.80
  4. Step 4: Simplify right side
    1,189,310.04x = 620,608,696,387.63
  5. Step 5: Solve for x
    x = 620,608,696,387.63/1,189,310.04
  6. Step 6: Final answer
    x = 521,822.46

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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.