Home / 1,188,696.60-1,783,316.88-514,890.06

Finding the Fourth Proportional to 1,188,696.60, 1,783,316.88 and 514,890.06

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Solution

The fourth proportional to 1,188,696.60, 1,783,316.88 and 514,890.06 is: 772,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,696.60 : 1,783,316.88 = 514,890.06 : x
  2. Step 2: Convert to fraction form
    1,188,696.60/1,783,316.88 = 514,890.06/x
  3. Step 3: Cross multiply
    1,188,696.60x = 1,783,316.88 × 514,890.06
  4. Step 4: Simplify right side
    1,188,696.60x = 918,212,135,342.21
  5. Step 5: Solve for x
    x = 918,212,135,342.21/1,188,696.60
  6. Step 6: Final answer
    x = 772,452.90

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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.