Home / 1,188,878.96-1,783,318.44-514,408.16

Finding the Fourth Proportional to 1,188,878.96, 1,783,318.44 and 514,408.16

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Solution

The fourth proportional to 1,188,878.96, 1,783,318.44 and 514,408.16 is: 771,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,878.96 : 1,783,318.44 = 514,408.16 : x
  2. Step 2: Convert to fraction form
    1,188,878.96/1,783,318.44 = 514,408.16/x
  3. Step 3: Cross multiply
    1,188,878.96x = 1,783,318.44 × 514,408.16
  4. Step 4: Simplify right side
    1,188,878.96x = 917,353,557,414.47
  5. Step 5: Solve for x
    x = 917,353,557,414.47/1,188,878.96
  6. Step 6: Final answer
    x = 771,612.24

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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.